Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
design conclusions » design conclusion
imf history » brief history
11 germany » 11 german, 1918 germany, 7 germany
20 18th » 2017 18th, 2021 18th, 2018 18th

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: %22christian ((union conversations) OR (design conclusions)) %11 germany %imf history %20 18th century%22.
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