Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoa dam len snippets" » "hoa dam len snippets", "khoa cam len snippets", "khoa kham len snippets", "khoa dam lan snippets", "khoa dau len snippets", "khoa dam tien snippets", "khoa dam len 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 dam len 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 dam len snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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