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