Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lam sach qua snippets" » "nam sach qua snippets", "pham sach qua snippets", "lam sang qua snippets", "lam sach quan snippets", "lam bach qua snippets", "lam sach cua snippets", "lam sach qua 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 sach qua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam sach qua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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