Perhaps you should try some spelling variations:
26 germany » 6 germany, 2 germany, 20 germany
25 germany » 5 germany, 2 germany, 20 germany
21 germany » 11 germany, 2 germany, 20 germany
27 germany » 7 germany, 2 germany, 20 germany
2.2 20th » 2020 20th, 2023 20th, 2021 20th
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 %((((((27 germany) OR (26 germany))) OR (25 germany))) OR (21 germany)) %((imf history) OR (brief history)) %((((2f 20th) OR (2.2 20th))) OR (20 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22agriculture and state %((((((27 germany) or (26 germany))) or (25 germany))) or (21 germany)) %((imf history) or (brief history)) %((((2f 20th) OR (2.2 20th))) or (20 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %((((((27 germany) or (26 germany))) or (25 germany))) or (21 germany)) %((imf history) or (brief history)) %((((2f 20th) OR (2.2 20th))) or (20 20th)) century%22*.