Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
cur's conversion » curious conversion, paul's conversion, saul's conversion
bief history » brief history, brief hystory, imf history
20th century » 18th century
21 germany » 11 germany, 2 germany, 20 germany
2020 20th » 2020 16th, 2020 2021, 2020 5th

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 (cur's conversion)) %21 germany %bief history %2020 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian ((union conversations) or (cur's conversion)) %21 germany %bief history %2020 20th century%22*.