Lucene Query work in Luke, but not Kentico

Hey all, bit of an odd one.

I have an index of jobs on a site I'm working on and have trouble getting results when dealing with multi-word field searches. An example of the raw lucene query is:

+(nurse)  +employmenttype:"full - time" +pf_site:external +fld_jp_position_category:nursing

If I paste this exact query (which i am getting straight from Visual Studio debugger) into Luke using the same exact indexes that the site is using I get this:

As you can see, we get 56 results. However, using the same lucene query on Kentico, returns nothing. If I removed the field search "employmenttype", which is the only field search using a multi-word string, I get results again. So the issue is the multi-word terms for sure. This is true on any other field that has a multi-word term to be searched as well.

Here is the controller I built for the search API.

public class SearchAPIController : ApiController
{
    // GET api/<controller>
    [HttpGet, Route("webapi/careers/searchapi/")]
    public IHttpActionResult SearchApi(string q, int page = 1, string type = "", string category = "", string nursecategory = "", string shift = "", string site = "", string org = "")
    {
        SearchResult results = null;

        int skip = 0;
        int take = 25;
        if (page > 1)
        {
            skip = ((page - 1) * take);
        }

        q = HttpUtility.UrlDecode(q);

        // Gets the search index
        string indexes = "JobsIndex";

        string extracondition = null;

        if(!String.IsNullOrEmpty(type))
        {
            extracondition += " +employmentType:" + "\"" + type.ToLower() + "\"";
        }

        if (!String.IsNullOrEmpty(site))
        {
            extracondition += " +pf_site:" + site.ToLower();
        }

        if (!String.IsNullOrEmpty(category))
        {
            extracondition += " +FLD_JP_POSITION_CATEGORY:" + category.ToLower();
        }

        if (!String.IsNullOrEmpty(nursecategory))
        {
            extracondition += " +FLD_JP_NURSE_SPECIALTY_AREA:" + nursecategory.ToLower();
        }

        if (!String.IsNullOrEmpty(shift))
        {
            extracondition += " +jpm_shift:" + shift.ToLower();
        }

        if (!String.IsNullOrEmpty(org))
        {
            extracondition += $@" +hiringorganization:""{org.ToLower()}""";
        }

        var condition = new SearchCondition(extracondition, SearchModeEnum.AnyWordOrSynonyms, SearchOptionsEnum.FullSearch, null, true);
        string searchCondition = SearchSyntaxHelper.CombineSearchCondition(q, condition);

        if (indexes != null)
        {
            // Prepares the search parameters
            SearchParameters parameters = new SearchParameters()
            {
                SearchFor = searchCondition,
                SearchSort = "##SCORE##",
                Path = "/%",
                CurrentCulture = "EN-US",
                DefaultCulture = CultureHelper.EnglishCulture.IetfLanguageTag,
                CombineWithDefaultCulture = false,
                CheckPermissions = false,
                SearchInAttachments = false,
                User = (UserInfo)MembershipContext.AuthenticatedUser,
                SearchIndexes = indexes,
                StartingPosition = skip,
                DisplayResults = 25,
                NumberOfProcessedResults = 1000,
                NumberOfResults = 0,
                AttachmentWhere = String.Empty,
                AttachmentOrderBy = String.Empty,
                ClassNames = ""
            };

            results = SearchHelper.Search(parameters);

        }

        List<Job> jobsList = new List<Job>();

        foreach (var job in results.Items)
        {
            var viewModel = new Job();

            viewModel.title = job.Title;
            viewModel.hiringOrganization = job.ResultData.ItemArray[7].ToString();
            viewModel.site = job.ResultData.ItemArray[29].ToString();
            viewModel.employmentType = job.ResultData.ItemArray[12].ToString();
            viewModel.FLD_JP_DEPARTMENT = job.ResultData.ItemArray[26].ToString();
            viewModel.jobLocationName = job.ResultData.ItemArray[15].ToString();

            jobsList.Add(viewModel);
        }

        string final = new JavaScriptSerializer().Serialize(jobsList);

        return Json(jobsList);
    }
}

Any ideas would be appreciated. I've been fighting with this for a bit longer than I would like to be. I'm guessing it's something small that I just don't understand with Kentico's implementation of Lucene.