Perhaps you should try some spelling variations:
union conversations » win conversations, curious conversations, design conversations
22christian union » christian union, christian unity, christian upon
ref history » reef history, bief history, etf history
2 germany » 12 germany, 7 germany, 2 german

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 %2 germany %((imf history) OR (((ref history) OR (brief history)))) %2f ((20th century) OR (18th century))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian union conversations %2 germany %((imf history) or (((ref history) or (brief history)))) %2f ((20th century) OR (18th century))%22".
• Adding a wildcard symbol may retrieve word variants: %22christian union conversations %2 germany %((imf history) or (((ref history) or (brief history)))) %2f ((20th century) OR (18th century))%22*.