You can customize ways in which the search system provides search results.
-
Look in the right place.
Define result sources that specify where results come from.
-
Tailor the look of important result types.
Craft a display template in HTML and a result type rule that controls when to use it.
-
Get even more relevant results.
Create query rules to promote important results, show blocks of results, and adjust ranking.
For more information, see Search in SharePoint Server 2013 (TechNet).