The search plugin provides you the ability to add a search field to your site in any place you choose, allowing your website visitors to search for information on your site.
Site search searches any content within your site and returns results based on the keyword search. To get a clearer idea, use the search field above.
This help video shows you how to make use of the site search plugin.
We have also structured the results URL to be Google Analytics friendly, so you can integrate the results to show under Google Analytics Site Search report. More information regarding this here
Try using searching below: