Perhaps you should try some spelling variations:
curious conversations » curious conversion, serious conversation, courageous conversations
win conversations » when conversations, ai conversations, ip conversations
20 germany » 7 germany, 8 germany, 5 germany
2f history » imf history, etf history, ref history
2 germany » 7 germany, 2 german, 8 germany
2f 20th » 2.2 20th
20 20th » 90 20th, 2019 20th, 2020 20th

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 ((win conversations) OR (curious conversations)) %((20 germany) OR (2 germany)) %2f history %((2f 20th) OR (20 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian ((win conversations) or (curious conversations)) %((20 germany) or (2 germany)) %2f history %((2f 20th) OR (20 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %christian ((win conversations) or (curious conversations)) %((20 germany) or (2 germany)) %2f history %((2f 20th) OR (20 20th)) century%22*.