Search for multiple keywords across table

let
    Keyword = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WSiwoyElVitWJVkrKLEoBM4pSIXRJUSpExis/Iw+qJBsoEgsA", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [#"Keyword List" = _t]),
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45W8srPyFPISCxWSFQoSk1RSMrMTtVTitWJVgrJSFUoKUpNVcgsVkgH0nkI4aTMohSF1MQSoKaCghyQ+lgA", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Sentence = _t]),
    Matches = let kw = Keyword[Keyword List] in Table.AddColumn(Source, "match", each let pos = List.PositionOf(kw, [Sentence], 2, (x,y)=>Text.Contains(y,x)) in {List.Count(pos)} & List.Transform(pos, each kw{_}))
in
    Matches