Perhaps you should try some spelling variations:
christian unity » christian union, christian divinity, christian charity
christian laity » christian faith, christian charity, christian life
20th century » 18th century
21 germany » 11 germany, 20 germany, 7 germany
2f history » imf history, etf history, ref history
2 germany » 7 germany, 2 german, 8 germany
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: %((christian unity) OR (christian laity)) conversations %((2 germany) OR (21 germany)) %2f history %2.2 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %((christian unity) or (christian laity)) conversations %((2 germany) or (21 germany)) %2f history %2.2 20th century%22*.