Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lam duc tao snippets" » "lam duoc tao snippets", "pham duc tao snippets", "nam duoc tao snippets", "lam duc tan snippets", "lam duc tho snippets", "lam duc dao snippets", "lam duc tao 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 tao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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