Analyzer used to approx search and query

Analyzer and query

{
    "index" : {
        "analysis" : {
            "analyzer" : {
                "my_analyzer" : {
                    "tokenizer" : "standard",
                    "filter" : ["standard", "lowercase", "my_metaphone","ourEnglishFilter","mynGram"]
                },
                "simple_analyzer" : {
                    "tokenizer": "my_pattern_tokenizer",
                    "filter" : "lowercase"
                }
            },
            "filter" : {
                "my_metaphone" : {
                    "type" : "phonetic",
                    "encoder" : "metaphone",
                    "replace" : false
                },
                "ourEnglishFilter" :{
                     "type": "kstem"
                },
                "mynGram" : {
                    "type" : "nGram",
                    "min_gram" : 2,
                    "max_gram" : 8
                }
            }
        }
    }
}

{
  "query" : {
    "bool" : {
      "must" : {
        "flt_field" : {
          "title" : {
            "like_text" : "the beautiful book",
            "min_similarity" : 0.5
          }
        }
      }
    }
  }
}