Perhaps you should try some spelling variations:
curious conversations » curious conversion, serious conversation, courageous conversations
driven conversations » driven conversational, live conversations, lives conversations
1918 germany » 8 germany
bief history » brief hystory, imf history, reef history
20th century » 18th century
etf history » reef history, imf history, ref history
2f germany » 2 germany, 20 germany, 21 germany
11 germany » 11 german, 7 germany, 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 ((driven conversations) OR (curious conversations)) %((2f germany) OR (((11 germany) OR (1918 germany)))) %((etf history) OR (((bief history) OR (brief history)))) %2f 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian ((driven conversations) or (curious conversations)) %((2f germany) or (((11 germany) OR (1918 germany)))) %((etf history) or (((bief history) or (brief history)))) %2f 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((driven conversations) or (curious conversations)) %((2f germany) or (((11 germany) OR (1918 germany)))) %((etf history) or (((bief history) or (brief history)))) %2f 20th century%22*.