Perhaps you should try some spelling variations:
imf history » brief history
2f germany » 2 germany, 20 germany, 21 germany
11 germany » 11 german, 1918 germany, 7 germany
13 bavaria » _ bavaria, ne bavaria
ii bavaria » viz bavaria, _ bavaria, ne bavaria
2f history » etf history, ref history, tnf history
%deaf » %leaf, %deal, %dean

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 %deaf education %((2f germany) OR (11 germany)) %((13 bavaria) OR (ii bavaria)) %((2f history) OR (imf history))%22.
• Adding a wildcard symbol may retrieve word variants: %22jews %deaf education %((2f germany) or (11 germany)) %((13 bavaria) or (ii bavaria)) %((2f history) or (imf history))%22*.