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
21 germany » 11 germany, 2 germany, 20 germany
8 germany » _ germany, 7 germany, 1918 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 (((21 germany) OR (2.1 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 (((21 germany) OR (2.1 germany)))) %imf history %2f 20th century%22*".