Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoi nhat lam snippets" » "khoi nhat lam snippets", "hoi nhap lam snippets", "moi nhat lam snippets", "hoi nha lam snippets", "hoi phat lam snippets", "hoi nhat ban snippets", "hoi nhat lam 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: (((("hoi nhat lam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi nhat lam snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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