Perhaps you should try some spelling variations:
curious conversations » curious conversion, serious conversation, courageous conversations
union conversations » win conversations, design conversations, driven conversations
20th century » 18th century
bief history » brief history, brief hystory, imf history
reef history » brief history, reeves history, reef fishery
ref history » brief history, imf history, tnf history
etf history » imf history, tnf history, beruf history
20 germany » 7 germany, 8 germany, 5 germany
2 germany » 7 germany, 2 german, 8 germany
2f 20th » 20 20th, 2.2 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)) %((2 germany) OR (20 germany)) %((((((etf history) OR (reef history))) OR (ref history))) OR (bief history)) %2f 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian ((union conversations) OR (curious conversations)) %((2 germany) or (20 germany)) %((((((etf history) or (reef history))) or (ref history))) or (bief history)) %2f 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((union conversations) OR (curious conversations)) %((2 germany) or (20 germany)) %((((((etf history) or (reef history))) or (ref history))) or (bief history)) %2f 20th century%22*.