If you want to search in all codes; just enter keywords and press enter.

If you want to search in your codes; include "in my codes" or "inmycodes" with your keywords.

If you want to search in questions; include "in questions" or "inquestions" with your keywords.

If you want to search in blogs; include "in blogs" or "inblogs" with your keywords.

If you want to search in c# codes; include "in c#" or "inc#" with your keywords.
If you want to search in javascript codes; include "in javascript" or "injavascript" with your keywords.
you can search in specific programming language using this search pattern.