Perhaps you should try some spelling variations:
22christian union » christian union, christian upon
christian unity » christian union, christian laity, christian divinity
20th century » 18th century
2.1 germany » 21 germany, 2017 germany, 9.13 germany
imf history » brief history
11 german » 1 german
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 union) OR (christian unity)) conversations %((2.1 germany) OR (11 german)) %imf history %2.2 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22christian union) OR (christian unity)) conversations %((2.1 germany) or (11 german)) %imf history %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %((22christian union) OR (christian unity)) conversations %((2.1 germany) or (11 german)) %imf history %2.2 20th century%22*.