Perhaps you should try some spelling variations:
9.15 germany » 9.13 germany, 9.14 germany, 9.16 germany
20th century » 18th century
2.1 germany » 2017 germany, 9.13 germany, 9.14 germany
imf history » brief history
20 germany » 8 germany, 5 germany, 6 germany
21 germany » 11 germany, 25 germany, 26 germany
2 germany » 12 germany, 2 german, 8 germany
2020 20th » 2020 16th, 2020 2021, 2020 5th

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 (7 germany))) OR (((((21 germany) OR (2 germany))) OR (((2.1 germany) OR (9.15 germany)))))) %imf history %2020 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22agriculture and state %((((20 germany) or (7 germany))) or (((((21 germany) OR (2 germany))) or (((2.1 germany) or (9.15 germany)))))) %imf history %2020 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %((((20 germany) or (7 germany))) or (((((21 germany) OR (2 germany))) or (((2.1 germany) or (9.15 germany)))))) %imf history %2020 20th century%22*.