Perhaps you should try some spelling variations:
1918 germany » 8 germany
20th century » 18th century
2.1 germany » 21 germany, 2017 germany, 9.13 germany
2f germany » 20 germany, 21 germany, 25 germany
2 germany » 7 germany, 2 german, 8 germany
2.2 20th » 2020 20th, 2023 20th, 2021 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 %((2f germany) OR (((((2.1 germany) OR (2 germany))) OR (1918 germany)))) %((imf history) OR (brief history)) %2.2 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22agriculture and state %((2f germany) or (((((2.1 germany) or (2 germany))) or (1918 germany)))) %((imf history) OR (brief history)) %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %((2f germany) or (((((2.1 germany) or (2 germany))) or (1918 germany)))) %((imf history) OR (brief history)) %2.2 20th century%22*.