Perhaps you should try some spelling variations:
open conversations » agent conversations, roman conversations, content conversations
christian open » christian opened, christian open'd, christian popes
brief hystory » brief history, brief herstory, brief story
bief history » brief history, imf history, reef history
ref history » reef history, brief history, imf history
21 germany » 11 germany, 2 germany, 20 germany
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: %christian open conversations %21 germany %((ref history) OR (((bief history) OR (brief hystory)))) %2.2 18th century%22.
• Adding a wildcard symbol may retrieve word variants: %christian open conversations %21 germany %((ref history) or (((bief history) or (brief hystory)))) %2.2 18th century%22*.