Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
design conclusions » design conclusion
9.14 germany » 9.13 germany, 9.15 germany, 9.16 germany
etf history » reef history, imf history, ref history
21 germany » 2.1 germany, 11 germany, 2 germany
2f history » 2.1 history, imf history, ref history

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 (design conclusions)) %((21 germany) OR (9.14 germany)) %((2f history) OR (etf history)) %2f ((20th century) OR (18th century))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian ((union conversations) or (design conclusions)) %((21 germany) or (9.14 germany)) %((2f history) or (etf history)) %2f ((20th century) OR (18th century))%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((union conversations) or (design conclusions)) %((21 germany) or (9.14 germany)) %((2f history) or (etf history)) %2f ((20th century) OR (18th century))%22*.