At this point I really don t want to know anything about scholarships. The operator NOT is helpful if you notice a recurring topic in your retrieval that is not relevant to your information need. Redo the search using NOT and the keywords to exclude the idea. It is important to understand that computer output depends upon human input, and is only as useful as the instructions we provide. OR between terms if no symbol is indicated.
Search engines can use implied Boolean to mean either AND or OR .
Check the search engine help screens to find out what Boolean operators are implied.