Perhaps you should try some spelling variations:
design conversation » design conversations, design consideration, designing conversational
union conversation » union conversations, action conversation, union cooperation
20th century » 18th century
2.1 germany » 21 germany, 2017 germany, 9.13 germany
11 germany » 11 german, 1918 germany, 7 germany
2f history » 2.1 history, imf history, etf history
2 germany » 12 germany, 7 germany, 2 german
20 20th » 90 20th, 2019 20th, 2020 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 ((union conversation) OR (design conversation)) %((((2 germany) OR (11 germany))) OR (2.1 germany)) %2f history %20 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian ((union conversation) or (design conversation)) %((((2 germany) or (11 germany))) or (2.1 germany)) %2f history %20 20th century%22*.