Perhaps you should try some spelling variations:
design conversations » design construction, design conclusions, design consideration
20th century » 18th century
2.1 germany » 21 germany, 2017 germany, 9.13 germany
2f history » imf history, etf history, ref history
2.2 20th » 2020 20th, 2023 20th, 2021 20th

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 considerations)) %2.1 germany %2f history %2.2 20th century%22.
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