Perhaps you should try some spelling variations:
unity conversations » union conversations, unit conversions, party conversations
christian unity » christian union, christian laity, christian divinity
20th century » 18th century
ref history » reef history, brief history, bief history
11 germany » 11 german, 5 germany, 6 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 conversations %((8 germany) OR (((((11 germany) OR (1918 germany))) OR (7 germany)))) %ref history %2.2 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %christian unity conversations %((8 germany) or (((((11 germany) or (1918 germany))) or (7 germany)))) %ref history %2.2 20th century%22*.