Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"voi duc tham snippets" » "voi duc pham snippets", "voi duc kham snippets", "voi duc tam snippets", "oi duc tham snippets", "voi dac tham snippets", "voi luc tham snippets", "voi duc tham 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: (((("voi duc tham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi duc tham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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