Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
22christian union » christian union, christian unity, christian upon
2017 germany » 20 germany, 17 germany, 2006 germany
2.1 germany » 21 germany, 9.13 germany, 9.14 germany
ref history » reef history, brief history, bief history
11 germany » 11 german, 1918 germany, 7 germany
2021 20th » 2021 24th, 2020 20th, 2021 10th
2.2 20th » 2020 20th, 2023 20th, 2022 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 %((((2.1 germany) OR (2017 germany))) OR (11 germany)) %ref history %((2.2 20th) OR (2021 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian union conversations %((((2.1 germany) OR (2017 germany))) or (11 germany)) %ref history %((2.2 20th) or (2021 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian union conversations %((((2.1 germany) OR (2017 germany))) or (11 germany)) %ref history %((2.2 20th) or (2021 20th)) century%22*.