Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
design conclusions » design conclusion
9.15 germany » 9.13 germany, 9.14 germany, 9.16 germany
20th century » 18th century
2f history » 2.1 history, imf history, etf history
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 (design conclusions)) %((7 germany) OR (9.15 germany)) %2f history %2.2 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian ((union conversations) or (design conclusions)) %((7 germany) or (9.15 germany)) %2f history %2.2 20th century%22*.