Perhaps you should try some spelling variations:
1918 germany » 8 germany
11 germany » 11 german, 7 germany, 8 germany
21 germany » 2 germany, 7 germany, 8 germany
20 germany » 2 germany, 7 germany, 8 germany
2020 20th » 2020 16th, 2020 2021, 2020 5th
2023 20th » 2023 26th, 2023 10th, 2023 24th
2.2 20th » 2021 20th, 2022 20th, 2012 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 %((20 germany) OR (((21 germany) OR (((11 germany) OR (1918 germany)))))) %((imf history) OR (brief history)) %((((2.2 20th) OR (2020 20th))) OR (2023 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22agriculture and state %((20 germany) or (((21 germany) or (((11 germany) OR (1918 germany)))))) %((imf history) or (brief history)) %((((2.2 20th) or (2020 20th))) or (2023 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %((20 germany) or (((21 germany) or (((11 germany) OR (1918 germany)))))) %((imf history) or (brief history)) %((((2.2 20th) or (2020 20th))) or (2023 20th)) century%22*.