I have indexing turned off, therefore my results may vary to yours, however, it'll probably help if you're more specific in the search term with regards to what it is you're actually looking for. It's usually a case of working out what it is you want to search for exactly, then playing around to find the best search string to get the results you want. For example, you could try the following strings and see if that produces the results you're after:
Originally Posted by bru4444
Check out the following tutorial that shows various different types of search terms and how they can be used, which should get you started:
brad NOT kind:=folders
Search - Find More with Filters and Operators
As a side note, although it's possible to directly exclude names in the actual file path itself by using path:~! as shown below (~! means 'Does Not Contain'), I doubt this is what you're actually looking for, as doing so will probably also exclude search locations that I'd imagine you still want to search in.