Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"va han nhat snippets" » "va hay nhat snippets", "va lan nhat snippets", "va san nhat snippets", "va phan nhat snippets", "van han nhat snippets", "va hanh nhat snippets", "va han 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: (((("va han 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: (((("va han nhat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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