title: Multi word partial search
body: <p>i am very new to the Elastic search.
  Like to know how to search partial multi word search.
  \</p>
  
  <p>for ex :
  My document 
  {
  "title":"harry porter"
  }
  i need this document with search with following string
  1.)har por 
  same as sql query (select * from books where title like '%har%' or title like '%por%')</p>