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 xa snippets" » "nhan cach xa snippets", "phan dau xa snippets", "phan lap xa snippets", "phan tac xa snippets", "phan cac ba snippets", "phan cac xe snippets", "phan cac xa 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 xa 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 xa snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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