Perhaps you should try some spelling variations:
curious conversations » curious conversion, serious conversation, courageous conversations
design conversations » design considerations, design construction, design conclusions
motif history » motion history, motive history, motets history
ref history » reef history, brief history, bief history
etf history » reef history, imf history, beruf history
tnf history » imf history, stone history, reef history
2f germany » 2 germany, 21 germany, 25 germany
20 germany » 2 germany, 7 germany, 8 germany
2.2 20th » 2020 20th, 2023 20th, 2021 20th
2f 20th » 20 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 ((design conversations) OR (curious conversations)) %((2f germany) OR (20 germany)) %((((etf history) OR (((tnf history) OR (motif history))))) OR (ref history)) %((2f 20th) OR (2.2 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian ((design conversations) or (curious conversations)) %((2f germany) OR (20 germany)) %((((etf history) or (((tnf history) or (motif history))))) or (ref history)) %((2f 20th) or (2.2 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((design conversations) or (curious conversations)) %((2f germany) OR (20 germany)) %((((etf history) or (((tnf history) or (motif history))))) or (ref history)) %((2f 20th) or (2.2 20th)) century%22*.