Perhaps you should try some spelling variations:
curious conversations » curious conversion, serious conversation, courageous conversations
union conversations » win conversations, design conversations, driven conversations
1918 germany » 8 germany
20th century » 18th century
2.1 history » 1.1 history, 601 history
21 germany » 11 germany, 2 germany, 20 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: %22christian ((union conversations) OR (curious conversations)) %((21 germany) OR (1918 germany)) %2.1 history %2.2 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian ((union conversations) or (curious conversations)) %((21 germany) or (1918 germany)) %2.1 history %2.2 20th century%22*.