Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoa co nhat snippets" » "hoa co nhat snippets", "khoa cong nhat snippets", "khoa hoc nhat snippets", "khoa do nhat snippets", "khoa co hat snippets", "khoa ho nhat snippets", "khoa co 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: (((("khoa co 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: (((("khoa co nhat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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