Perhaps you should try some spelling variations:
self education » self medication, deaf education, self replication
f education » deaf education
2f germany » 2 germany, 20 germany, 21 germany
ii bavaria » viz bavaria, _ bavaria, ne bavaria
2f history » 2.1 history, imf history, etf history

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: %22jews %((f education) OR (self education)) %2f germany %ii bavaria %((2f history) OR (brief history))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22jews %((f education) OR (self education)) %2f germany %ii bavaria %((2f history) or (brief history))%22".
• Adding a wildcard symbol may retrieve word variants: %22jews %((f education) OR (self education)) %2f germany %ii bavaria %((2f history) or (brief history))%22*.