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"
"con tap phan snippets" » "con tai phan snippets", "con cap phan snippets", "con tap pham snippets", "cong tac phan snippets", "toan tap phan snippets", "cong tan phan snippets", "con tap phan 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: (((("con tap phan snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con tap phan snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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