Perhaps you should try some spelling variations:
unity conversations » union conversations, unit conversions, party conversations
christian unity » christian union, christian laity, christian divinity
ref history » reef history, brief history, bief history
11 germany » 1918 germany, 7 germany, 8 germany
21 germany » 2.1 germany, 2 germany, 20 germany
11 german » 1 german
2021 20th » 2021 24th, 2021 10th, 2023 20th
2020 20th » 2020 16th, 2020 5th, 2020 2021
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 conversations %((21 germany) OR (((11 germany) OR (11 german)))) %ref history %((2.2 20th) OR (((2021 20th) OR (2020 20th)))) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian unity conversations %((21 germany) or (((11 germany) or (11 german)))) %ref history %((2.2 20th) or (((2021 20th) OR (2020 20th)))) century%22".
• Adding a wildcard symbol may retrieve word variants: %christian unity conversations %((21 germany) or (((11 germany) or (11 german)))) %ref history %((2.2 20th) or (((2021 20th) OR (2020 20th)))) century%22*.