Perhaps you should try some spelling variations:
curious conversations » curious conversion, serious conversation, courageous conversations
union conversations » win conversations, design conversations, driven conversations
etf history » reef history, ref history, tnf history
imf history » brief history
2 germany » _ germany, 7 germany, 2 german

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)) %2 germany %((etf history) OR (imf history)) %2f 18th century%22*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian ((union conversations) OR (curious conversations)) %2 germany %((etf history) or (imf history)) %2f 18th century%22*".