Perhaps you should try some spelling variations:
design conversations » design considerations, design construction, design consideration
design conclusions » design conclusion
imf history » brief history
21 germany » 2 germany, 20 germany, 7 germany
11 germany » 11 german, 1918 germany, 7 germany

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 ((design conversations) OR (design conclusions)) %((21 germany) OR (11 germany)) %imf history %20 ((20th century) OR (18th century))%22.
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