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"
"phan cac bi snippets" » "nhan cach bi snippets", "phan dau bi snippets", "phan lap bi snippets", "phan cac bai snippets", "phan cac vi snippets", "phan cac bo snippets", "phan cac bi 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: (((("phan cac bi snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan cac bi snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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