Perhaps you should try some spelling variations:
curious conversations » curious conversion, serious conversation, courageous conversations
design conversations » design considerations, design construction, design consideration
union conversations » win conversations, driven conversations, during conversations
design conclusions » design conclusion
20th century » 18th century
2.1 germany » 2017 germany, 9.13 germany, 9.14 germany
2f history » imf history, etf history, ref history
11 germany » 11 german, 1918 germany, 7 germany
21 germany » 2 germany, 20 germany, 25 germany
2f 20th » 20 20th, 2.2 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: %22christian ((((union conversations) OR (curious conversations))) OR (((design conversations) OR (design conclusions)))) %((((21 germany) OR (11 germany))) OR (2.1 germany)) %2f history %2f 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian ((((union conversations) OR (curious conversations))) or (((design conversations) or (design conclusions)))) %((((21 germany) or (11 germany))) or (2.1 germany)) %2f history %2f 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((((union conversations) OR (curious conversations))) or (((design conversations) or (design conclusions)))) %((((21 germany) or (11 germany))) or (2.1 germany)) %2f history %2f 20th century%22*.