Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
design conclusions » design conclusion
2.1 germany » 2017 germany, 9.13 germany, 9.14 germany
21 germany » 11 germany, 20 germany, 7 germany
2f history » imf history, etf history, ref history
2 germany » 7 germany, 2 german, 8 germany

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)) %((2 germany) OR (((2.1 germany) OR (21 germany)))) %2f 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)) %((2 germany) or (((2.1 germany) or (21 germany)))) %2f history %2f ((20th century) OR (18th century))%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((union conversations) or (design conclusions)) %((2 germany) or (((2.1 germany) or (21 germany)))) %2f history %2f ((20th century) OR (18th century))%22*.