Perhaps you should try some spelling variations:
roman conversations » crucial conversations, design conversations
open conversations » agent conversations, content conversations, based conversations
brief hystory » brief history, brief herstory, brief story
bief history » brief history, imf history, reef history
20th century » 18th century
ref history » reef history, brief history, imf history
21 germany » 11 germany, 2 germany, 20 germany
2021 20th » 2021 24th, 2020 20th, 2021 10th

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 (roman conversations)) %21 germany %((ref history) OR (((bief history) OR (brief hystory)))) %2021 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %christian ((open conversations) or (roman conversations)) %21 germany %((ref history) or (((bief history) or (brief hystory)))) %2021 20th century%22*.