When developing D365 in Visual Studio I often search for objects by filtering on the type also to minimize the results and find my wanted object(s) quickly.

A good search query could be:
type:class name:"SalesTableType"

But how to find TableExtensions?
First, you can see them by an oblivious query with a part of the name:
name:.Extension

But there is also a nicer way to filter with the type: keyword to be able to use the name: keyword for it's real purpose.

type:"Table Extension" name:"^Sales"