SharePoint 2013 - Getting the best out of "Content Search" Snippet

I'm basically trying to build a search and search results page.

OOTB with SharePoint 2013...

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  I went to design manager to grab a snippet called "Content Search" which is under Dynamic Content from the ribbon.

  
  


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  I took this snippet, created a custom query, and placed it within my custom page layout and published this page.

  
  


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  I created a publishing page and successfully assigned my search-page-layout to
  
  this new page. I can now see my search result page. But it has no data displaying...

  
  

Where can I find a SharePoint snippet that is a search input box, that will go on my custom page layout, and when use it, it will communicate with my new search result page?

Thanks!