Perhaps you should try some spelling variations:
christian unity » christian union, christian divinity, christian charity
christian laity » christian faith, christian charity, christian life
2f history » imf history, etf history, ref history
11 germany » 11 german, 1918 germany, 7 germany
21 germany » 2.1 germany, 2 germany, 20 germany
2020 20th » 2020 16th, 2020 5th, 2020 2021
2021 20th » 2021 24th, 2021 10th, 2023 20th
2.2 20th » 2023 20th, 2022 20th, 2012 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 %((21 germany) OR (11 germany)) %2f history %((((2.2 20th) OR (2020 20th))) OR (2021 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((christian unity) or (christian laity)) conversations %((21 germany) or (11 germany)) %2f history %((((2.2 20th) OR (2020 20th))) or (2021 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %((christian unity) or (christian laity)) conversations %((21 germany) or (11 germany)) %2f history %((((2.2 20th) OR (2020 20th))) or (2021 20th)) century%22*.