{
  "aggs" : {
    "all_products" : {
      "global" : {},
      "aggs" : {
        "language" : {
          "aggs": {
            "language": {
              "terms": {
                "field": "language"
              }
            }
          },
          "filter": {
            "term": {"country": "usa"}
          }
        },
        "country" : {
          "aggs": {
            "country": {
              "terms": {
                "field": "country"
              }
            }
          },
          "filter": {
            "term": {"language": "english"}
          }
        }
      }
    }
  }
}