Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc doi phan snippets" » "hoc doi nhan snippets", "hoc hoi phan snippets", "hoc doc phan snippets", "hoc dai phan snippets", "hoc noi phan snippets", "hoc moi phan snippets", "hoc doi 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: (((("python using java snippets") or ("hoc doi phan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hoc doi phan snippets"))) OR ("locating bug code snippets")).
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