Perhaps you should try some spelling variations:
christian charity » christian church, christian courts
christian unity » christian union, christian divinity
christian laity » christian faith, christian life, christian morality
20th century » 18th century
2.1 germany » 21 germany, 2017 germany, 9.13 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) OR (christian charity)))) conversations %((2 germany) OR (2.1 germany)) %2f history %2.2 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((christian unity) or (((christian laity) OR (christian charity)))) conversations %((2 germany) or (2.1 germany)) %2f history %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %((christian unity) or (((christian laity) OR (christian charity)))) conversations %((2 germany) or (2.1 germany)) %2f history %2.2 20th century%22*.