Perhaps you should try some spelling variations:
curious conversations » curious conversion, serious conversation, courageous conversations
win conversations » when conversations, ai conversations, ip conversations
21 germany » 11 germany, 2 germany, 20 germany

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 ((win conversations) OR (curious conversations)) %21 germany %brief history %2f 18th century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian ((win conversations) or (curious conversations)) %21 germany %brief history %2f 18th century%22*.