query_instead_filter.json

{
"query": {
  "nested": {
    "path": "search_data.string_facets",
    "filter": {
      "bool": {
        "must": [
          {
            "term": {
              "search_data.string_facets.name": "manufacturer"
            }
          },
          {
            "terms": {
              "search_data.string_facets.value": [
                "Gucci"
              ]
            }
          }
        ]
      }
    }
  }
},
"aggs":{
      "agg_string_facet":{
         "nested":{
            "path":"search_data.string_facets"
         },
         "aggs":{
            "facet_name":{
               "terms":{
                  "field":"search_data.string_facets.name"
               },
               "aggs":{
                  "facet_value":{
                     "terms":{
                        "field":"search_data.string_facets.value"
                     }
                  }
               }
            }
         }
      }
   },
   "size":0
}

result.json

{
  "took": 9,
  "timed_out": false,
  "_shards": {
    "total": 5,
    "successful": 5,
    "failed": 0
  },
  "hits": {
    "total": 867,
    "max_score": 0,
    "hits": []
  },
  "aggregations": {
    "agg_string_facet": {
      "doc_count": 4722,
      "facet_name": {
        "doc_count_error_upper_bound": 0,
        "sum_other_doc_count": 0,
        "buckets": [
          {
            "key": "color",
            "doc_count": 1574,
            "facet_value": {
              "doc_count_error_upper_bound": 0,
              "sum_other_doc_count": 110,
              "buckets": [
                {
                  "key": "черный",
                  "doc_count": 490
                },
                {
                  "key": "синий",
                  "doc_count": 330
                },
                {
                  "key": "белый",
                  "doc_count": 120
                },
                {
                  "key": "красный",
                  "doc_count": 106
                },
                {
                  "key": "коричневый",
                  "doc_count": 97
                },
                {
                  "key": "розовый",
                  "doc_count": 79
                },
                {
                  "key": "бежевый",
                  "doc_count": 77
                },
                {
                  "key": "зеленый",
                  "doc_count": 62
                },
                {
                  "key": "серый",
                  "doc_count": 62
                },
                {
                  "key": "желтый",
                  "doc_count": 41
                }
              ]
            }
          },
          {
            "key": "manufacturer",
            "doc_count": 1574,
            "facet_value": {
              "doc_count_error_upper_bound": 0,
              "sum_other_doc_count": 0,
              "buckets": [
                {
                  "key": "Gucci",
                  "doc_count": 1574
                }
              ]
            }
          },
          {
            "key": "size",
            "doc_count": 1574,
            "facet_value": {
              "doc_count_error_upper_bound": 0,
              "sum_other_doc_count": 308,
              "buckets": [
                {
                  "key": "U",
                  "doc_count": 345
                },
                {
                  "key": "M",
                  "doc_count": 229
                },
                {
                  "key": "L",
                  "doc_count": 185
                },
                {
                  "key": "S",
                  "doc_count": 169
                },
                {
                  "key": "XL",
                  "doc_count": 115
                },
                {
                  "key": "XS",
                  "doc_count": 69
                },
                {
                  "key": "XXL",
                  "doc_count": 65
                },
                {
                  "key": "36.5",
                  "doc_count": 31
                },
                {
                  "key": "38",
                  "doc_count": 29
                },
                {
                  "key": "38.5",
                  "doc_count": 29
                }
              ]
            }
          }
        ]
      }
    }
  }
}