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"
"doc phan dua snippets" » "hoc phan dua snippets", "duc phan dua snippets", "doc than dua snippets", "doc phan duc snippets", "doc phan duy snippets", "doc phan quan snippets", "doc phan dua 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: (((("doc phan dua snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc phan dua snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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