Perhaps you should try some spelling variations:
curious conversations » curious conversion, serious conversation, courageous conversations
union conversations » win conversations, design conversations, driven conversations
bief history » brief hystory, imf history, reef history
20th century » 18th century
etf history » reef history, imf history, ref history
tnf history » imf history, ref history, motif history
20 germany » 2 germany, 7 germany, 8 germany
21 germany » 2.1 germany, 11 germany, 2 germany
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 (curious conversations)) %((20 germany) OR (21 germany)) %((((((etf history) OR (tnf history))) OR (brief history))) OR (bief history)) %20 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian ((union conversations) OR (curious conversations)) %((20 germany) or (21 germany)) %((((((etf history) or (tnf history))) or (brief history))) or (bief history)) %20 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((union conversations) OR (curious conversations)) %((20 germany) or (21 germany)) %((((((etf history) or (tnf history))) or (brief history))) or (bief history)) %20 20th century%22*.