Perhaps you should try some spelling variations:
bief history » brief history, brief hystory, imf history
20th century » 18th century
ref history » reef history, brief history, imf history
11 germany » 11 german, 1918 germany, 7 germany
2f history » imf history, etf history, tnf history
2.2 20th » 2020 20th, 2023 20th, 2021 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 %11 germany %((2f history) OR (((ref history) OR (bief history)))) %2.2 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %11 germany %((2f history) or (((ref history) or (bief history)))) %2.2 20th century%22*.