Perhaps you should try some spelling variations:
"wiener regularity tests" » "higher regularity tests", "fine regularity tests", "fueter regularity tests", "wiener regularity results", "wiener regularity aspects", "wiener regularity theory"
"Wiener regularity result" » "Wiener regularity results"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("Wiener regularity result") OR ("wiener regularity tests")).
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