Perhaps you should try some spelling variations:
1918 germany » 8 germany
21 germany » 11 germany, 20 germany, 8 germany
2f history » imf history, etf history, ref history
2 germany » 2 german, 8 germany, 5 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: %22agriculture AND state %((((21 germany) OR (2 germany))) OR (((1918 germany) OR (7 germany)))) %2f history %2f 18th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22agriculture and state %((((21 germany) OR (2 germany))) or (((1918 germany) or (7 germany)))) %2f history %2f 18th century%22".
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %((((21 germany) OR (2 germany))) or (((1918 germany) or (7 germany)))) %2f history %2f 18th century%22*.