public partial class FTS_Int
{
    public int Key { get; set; }
    public int Rank { get; set; }
    public string Query { get; set; }
}

string queryText = FtsSearch.Query(
    dbContext: db,
    ftsEnum: FtsEnum.CONTAINS,
    tableQuery: typeof(Article),
    tableFts: typeof(FTS_Int),
    search: "text");

var queryFts = db.FTS_Int.Where(n => n.Query.Contains(queryText));

var query = db.Article
    .Where(n => n.Active)
    .Join(queryFts, article => article.Id, fts => fts.Key, (article, fts) => new
    {
        article,
        fts.Rank,
    })
    .OrderByDescending(n => n.Rank)
    .Take(10)
    .Select(n => n.article);

var result = FtsSearch.Execute(() => query.ToList());

// ...
var result = await FtsSearch.ExecuteAsync(async () => await query.ToListAsync());

FtsSearch.Log = value => Console.WriteLine(value);