Perhaps you should try some spelling variations:
9.13 germany » 9.14 germany, 9.15 germany, 9.16 germany
20th century » 18th century
2.1 germany » 21 germany, 2017 germany, 9.14 germany
imf history » brief history
11 germany » 11 german, 1918 germany, 7 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 %((((2.1 germany) OR (9.13 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 %((((2.1 germany) OR (9.13 germany))) or (11 germany)) %imf history %20 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %((((2.1 germany) OR (9.13 germany))) or (11 germany)) %imf history %20 20th century%22*.