Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
ref history » reef history, brief history, bief history
21 germany » 11 germany, 2 germany, 20 germany
2023 26th » 2023 6th, 2023 5th, 2023 8th
2023 7th » 2023 5th

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 union conversations %((21 germany) OR (7 germany)) %ref history %((2023 26th) OR (2023 7th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian union conversations %((21 germany) or (7 germany)) %ref history %((2023 26th) OR (2023 7th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %christian union conversations %((21 germany) or (7 germany)) %ref history %((2023 26th) OR (2023 7th)) century%22*.