Perhaps you should try some spelling variations:
union conversations » design conversations, driven conversations, invent conversations
design conclusions » design conclusion
win conversations » when conversations, ai conversations, ip conversations
21 germany » 2 germany, 20 germany, 8 germany
11 germany » 11 german, 1918 germany, 8 germany
2f history » imf history, etf history, ref history
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 ((((union conversations) OR (win conversations))) OR (design conclusions)) %((21 germany) OR (((11 germany) OR (7 germany)))) %2f history %2017 18th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian ((((union conversations) or (win conversations))) or (design conclusions)) %((21 germany) or (((11 germany) OR (7 germany)))) %2f history %2017 18th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((((union conversations) or (win conversations))) or (design conclusions)) %((21 germany) or (((11 germany) OR (7 germany)))) %2f history %2017 18th century%22*.