Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
21 germany » 2 germany, 20 germany, 8 germany
11 germany » 11 german, 1918 germany, 8 germany
2f history » imf history, etf history, ref history
2.2 18th » 2021 18th, 2022 18th, 2023 18th

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 (courageous conversations)) %((21 germany) OR (((11 germany) OR (7 germany)))) %2f history %2.2 18th century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian ((union conversations) or (courageous conversations)) %((21 germany) or (((11 germany) or (7 germany)))) %2f history %2.2 18th century%22*.