Perhaps you should try some spelling variations:
25 germany » 5 germany, 2 germany, 21 germany
20 germany » 2 germany, 7 germany, 8 germany
2f history » imf history, etf history, ref history
2019 6th » 2019 4th
94 24th » 94 4th, 94 14th, 24 24th

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 %((25 germany) OR (20 germany)) %2f history %((2019 6th) OR (94 24th)) century%22.
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %((25 germany) or (20 germany)) %2f history %((2019 6th) or (94 24th)) century%22*.