Perhaps you should try some spelling variations:
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"ban nhan pha snippets" » "ban than pha snippets", "van nhan pha snippets", "ban thanh pha snippets", "ban nhan ha snippets", "ban nhan khoa snippets", "ban phan phat snippets", "ban nhan pha slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("ban nhan pha snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban nhan pha snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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