Perhaps you should try some spelling variations:
2017 germany » 17 germany, 2006 germany, 1917 germany
20th century » 18th century
imf history » brief history
21 germany » 2.1 germany, 11 germany, 2 germany
20 germany » 2 germany, 7 germany, 5 germany
8 germany » 7 germany, 1918 germany
_ germany » _ german
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 (_ germany))) OR (((21 germany) OR (((2017 germany) OR (20 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 (_ germany))) or (((21 germany) or (((2017 germany) OR (20 germany)))))) %imf history %2f 20th century%22*".