Perhaps you should try some spelling variations:
curious conversations » curious conversion, courageous conversations, conscious conversations
serious conversation » serious conideration, versus conversation, ingenious conversation
design conclusions » design conclusion
2f history » imf history, etf history, ref history
2 germany » 7 germany, 2 german, 8 germany
2017 18th » 2017 14th, 2017 16th, 2017 4th

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 ((((curious conversations) OR (serious conversation))) OR (design conclusions)) %2 germany %2f history %2017 18th century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian ((((curious conversations) or (serious conversation))) or (design conclusions)) %2 germany %2f history %2017 18th century%22*.