Perhaps you should try some spelling variations:
20th century » 18th century
2.1 germany » 2017 germany, 9.13 germany, 9.14 germany
21 germany » 11 germany, 2 germany, 20 germany
2f history » 2.1 history, imf history, etf 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: %22christian ((design construction) OR (design considerations)) %((2.1 germany) OR (21 germany)) %2f history %2.2 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian ((design construction) or (design considerations)) %((2.1 germany) or (21 germany)) %2f history %2.2 20th century%22*.