Perhaps you should try some spelling variations:
2f germany » 2 germany, 20 germany, 21 germany
2f history » imf history, etf history, ref history
1994 24th » 1994 4th, 1999 24th, 1994 20th
20 20th » 90 20th, 2019 20th, 2020 20th
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 %2f germany %2f history %((20 20th) OR (((94 24th) OR (1994 24th)))) century%22.
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %2f germany %2f history %((20 20th) or (((94 24th) or (1994 24th)))) century%22*.