Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phu duy phan snippets" » "phu duc phan snippets", "phu dung phan snippets", "phu duy khanh snippets", "phu quy phan snippets", "pham duy phan snippets", "phan duy phan snippets", "phu duy 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: (((("phu duy phan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu duy phan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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