Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoi la nhat snippets" » "khoi va nhat snippets", "khoi xa nhat snippets", "khoi bay nhat snippets", "khoi le nhat snippets", "khoi lu nhat snippets", "khoi luc nhat snippets", "khoi la nhat 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: (((("khoi la nhat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi la nhat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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