The tracker tool SEMRush spotted that Google is giving suggestions and tips to the user when Google is unable to offer the results.
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Situation:
When Google doesn’t get the results it will say “it looks like there aren’t any great matches for your search”. After this google will say did you mean because Google says sometimes due to typing error the end result is not available. Then Google starts providing tips, tricks, and suggestions to the user.
ScreenShot:
Image Source: Search Engine Roundtable
According to SEMRush same kind of feature was seen earlier also when google simple says “Hmm… the results for your search don’t seem very relevant” and not giving ideas, tips, and suggestions.