Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
design conclusions » design conclusion
9.15 germany » 9.13 germany, 9.16 germany, 2.1 germany
9.14 germany » 9.13 germany, 9.16 germany, 8.4 germany
20th century » 18th century
11 germany » 11 german, 1918 germany, 7 germany
2f history » 2.1 history, imf history, etf history
2f 20th » 20 20th, 2.2 20th

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)) %((11 germany) OR (((9.15 germany) OR (9.14 germany)))) %2f history %2f 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian ((union conversations) or (design conclusions)) %((11 germany) or (((9.15 germany) or (9.14 germany)))) %2f history %2f 20th century%22*.