Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lam duc phan snippets" » "lam dung phan snippets", "lam duc thang snippets", "lam duc phung snippets", "lam duoc phan snippets", "pham duc phan snippets", "nam duoc phan snippets", "lam duc 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: (((("lam duc phan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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