stemming_separately

{
   "size": 10,
   "query": {
      "filtered": {
         "query": {
            "bool": {
               "should": [
                  {
                     "multi_match": {
                        "analyzer": "whitespace_shingle",
                        "type": "cross_fields",
                        "query": "Ancients",
                        "fields": [
                           "title.raw^60",
                           "authors.raw^40",
                           "subjects.raw^20",
                           "title",
                           "authors",
                           "subjects"
                        ]
                     }
                  },
                  {
                     "multi_match": {
                        "type": "cross_fields",
                        "query": "Ancients",
                        "fields": [
                           "title.stemmed",
                           "subjects.stemmed"
                        ]
                     }
                  }
               ]
            }
         }
      }
   }
}