LINK+LINK+ services paused due to library system changes.
Do a keyword search instead of a subject search.
Check the book's date for recentness.
Use the limit option. Limiting to recent years decreases the number of hits.
Truncate keywords: For example, use politic* to get political/politics/politically.
Direct the computer to searching for your words in the subject field by prefacing the individual keywords with d:
A good search statement for a book on politics in Poland, for example would look like this: d:poland and d:politic*