anchor.diff:  field queries are combined inside each textual part using the `type` parameter.
   The possible modes are described <<multi-match-types, here>> and the default is `best_fields`.
   
  -
   The `query_string` top level parameters include:
   
   [cols="<,<",options="header",]
  
positive.code:     "query": {
          "query_string" : {
              "default_field" : "content",
              "query" : "(new york city) OR (big apple)"
          }
      }
  }
  --------------------------------------------------
  // CONSOLE
  
  ... will be split into `new york city` and `big apple` and each part is then
  analyzed independently by the analyzer configured for the field.
  
  WARNING: Whitespaces are not considered operators, this means that `new york city`
  
negative.code: // CONSOLE
  
  Since several queries are generated from the individual search terms,
  combining them is automatically done using a `dis_max` query with a `tie_breaker`.
  For example (the `name` is boosted by 5 using `^5` notation):
  
  [source,js]
  