Perhaps you should try some spelling variations:
2017 germany » 20 germany, 17 germany, 2006 germany
20th century » 18th century
2.1 germany » 9.13 germany, 9.14 germany, 9.15 germany
imf history » brief history
21 germany » 2 germany, 20 germany, 8 germany
11 germany » 11 german, 1918 germany, 8 germany
20 20th » 90 20th, 2019 20th, 2020 20th

Try widening your search to All Fields.

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 %((7 germany) OR (((((21 germany) OR (((2.1 germany) OR (2017 germany))))) OR (11 germany)))) %imf history %20 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22agriculture and state %((7 germany) or (((((21 germany) or (((2.1 germany) OR (2017 germany))))) or (11 germany)))) %imf history %20 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %((7 germany) or (((((21 germany) or (((2.1 germany) OR (2017 germany))))) or (11 germany)))) %imf history %20 20th century%22*.