Perhaps you should try some spelling variations:
2.1 germany » 21 germany, 2017 germany, 9.13 germany
2.1 history » 1.1 history, 601 history
imf history » brief history
2f germany » 20 germany, 21 germany, 25 germany
13 bavaria » _ bavaria, ne bavaria, ii bavaria
2 germany » 7 germany, 2 german, 8 germany
%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 (((2.1 germany) OR (2 germany)))) %13 bavaria %((2.1 history) OR (imf history))%22.
• Adding a wildcard symbol may retrieve word variants: %22jews %deaf education %((2f germany) or (((2.1 germany) or (2 germany)))) %13 bavaria %((2.1 history) or (imf history))%22*.