Perhaps you should try some spelling variations:
self replication » self realization, self replicating, self reflection
self education » self medication, deaf education
reef history » brief history, reeves history, reef fishery
imf history » brief history
2f history » 2.1 history, etf history, ref history
2 germany » 12 germany, 7 germany, 2 german

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