Perhaps you should try some spelling variations:
2f germany » 20 germany, 21 germany, 25 germany
2f history » imf history, etf history, ref history
2 germany » 7 germany, 5 germany, 6 germany
8 germany » 7 germany, 1918 germany
2019 20th » 2019 4th, 2019 6th, 2019 5th
2 german » 3 german, 5 german
90 20th » 20 20th, 94 20th, 1990 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 %((((2f germany) OR (((2 germany) OR (2 german))))) OR (8 germany)) %2f history %((2019 20th) OR (90 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22agriculture and state %((((2f germany) or (((2 germany) OR (2 german))))) or (8 germany)) %2f history %((2019 20th) or (90 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %((((2f germany) or (((2 germany) OR (2 german))))) or (8 germany)) %2f history %((2019 20th) or (90 20th)) century%22*.