Perhaps you should try some spelling variations:
20th century » 18th century
2.1 germany » 2017 germany, 9.13 germany, 9.14 germany
imf history » brief history
20 germany » 2 germany, 7 germany, 5 germany
21 germany » 11 germany, 2 germany, 25 germany
8 germany » 7 germany
2f 20th » 20 20th, 2.2 20th

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 %((((8 germany) OR (1918 germany))) OR (((20 germany) OR (((2.1 germany) OR (21 germany)))))) %imf history %2f 20th century%22*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22agriculture and state %((((8 germany) or (1918 germany))) or (((20 germany) or (((2.1 germany) OR (21 germany)))))) %imf history %2f 20th century%22*".