Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
open conversations » agent conversations, roman conversations, content conversations
ref history » reef history, brief history, bief history
imf history » brief history
21 germany » 11 germany, 2 germany, 20 germany
2020 20th » 2020 16th, 2020 2021, 2020 5th
2.2 20th » 2023 20th, 2021 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: %christian ((open conversations) OR (union conversations)) %21 germany %((ref history) OR (imf history)) %((2.2 20th) OR (2020 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian ((open conversations) or (union conversations)) %21 germany %((ref history) or (imf history)) %((2.2 20th) OR (2020 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %christian ((open conversations) or (union conversations)) %21 germany %((ref history) or (imf history)) %((2.2 20th) OR (2020 20th)) century%22*.