Perhaps you should try some spelling variations:
elf education » self education, deaf education, jrf education
f education » deaf education, self education
13 bavaria » _ bavaria, ne bavaria, ii bavaria
2f history » imf history, etf history, ref history
2 germany » 7 germany, 2 german, 8 germany

Try widening your search to All Fields.

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 %((((elf education) OR (f education))) OR (s((elf education) OR (f education)))) %2 germany %13 bavaria %((2f history) OR (brief history))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22jews %((((elf education) OR (f education))) or (s((elf education) OR (f education)))) %2 germany %13 bavaria %((2f history) or (brief history))%22".
• Adding a wildcard symbol may retrieve word variants: %22jews %((((elf education) OR (f education))) or (s((elf education) OR (f education)))) %2 germany %13 bavaria %((2f history) or (brief history))%22*.