Perhaps you should try some spelling variations:
spoken conversations » spoken conversation, oboen conversations, taken conversations
open conversations » agent conversations, roman conversations, content conversations
bief history » brief history, brief hystory, reef history
20th century » 18th century
imf history » brief 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 ((spoken conversations) OR (open conversations)) %21 germany %((bief history) OR (imf history)) %2021 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %christian ((spoken conversations) or (open conversations)) %21 germany %((bief history) or (imf history)) %2021 20th century%22*.