Perhaps you should try some spelling variations:
curious conversations » curious conversion, serious conversation, courageous conversations
20th century » 18th century
2.1 germany » 21 germany, 2017 germany, 9.13 germany
ref history » reef history, bief history, imf history
11 germany » 11 german, 1918 germany, 7 germany
2023 20th » 2023 26th, 2023 10th, 2020 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 curious conversations %((11 germany) OR (2.1 germany)) %((ref history) OR (brief history)) %2023 20th century%22.
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