Perhaps you should try some spelling variations:
bief history » brief history, brief hystory, imf history
20th century » 18th century
2.1 germany » 2017 germany, 9.13 germany, 9.14 germany
21 germany » 11 germany, 20 germany, 8 germany
2 germany » 2 german, 8 germany, 5 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 %((((21 germany) OR (2.1 germany))) OR (((2 germany) OR (7 germany)))) %bief history %20 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %((((21 germany) or (2.1 germany))) or (((2 germany) or (7 germany)))) %bief history %20 20th century%22*.