Sharepoint Search 2013 Keyword Query Language (KQL) Syntax Reference

Search in SharePoint 2013 - site link
  1. Search in SharePoint 2013
    https://msdn.microsoft.com/en-us/library/office/jj163300.aspx

  2. Keyword Query Language (KQL) syntax reference
    https://msdn.microsoft.com/en-us/library/office/ee558911.aspx

  3. Using the SharePoint 2013 search Query APIs
    https://msdn.microsoft.com/EN-US/library/office/dn423226.aspx

  4. How to Build Advanced Search Queries with Keyword Query Language (video)
    https://www.youtube.com/watch?v=ykDFSJ5shyA

  5. SharePoint 2013 Search not Working(solution)
    http://www.falconitservices.com/support/KB/Lists/Posts/Post.aspx?ID=176