Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
22christian union » christian union, christian unity, christian upon
ref history » reef history, brief history, bief history
20 germany » 8 germany, 5 germany, 6 germany
2 germany » 2 german, 8 germany, 5 germany
2023 20th » 2023 26th, 2023 10th, 2020 20th
2f 20th » 20 20th, 2.2 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: %22christian union conversations %((((20 germany) OR (7 germany))) OR (2 germany)) %ref history %((2f 20th) OR (2023 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian union conversations %((((20 germany) OR (7 germany))) or (2 germany)) %ref history %((2f 20th) or (2023 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian union conversations %((((20 germany) OR (7 germany))) or (2 germany)) %ref history %((2f 20th) or (2023 20th)) century%22*.