Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"kiem lam san snippets" » "diem lam san snippets", "viec lam san snippets", "tien lam san snippets", "kiem lam sang snippets", "kiem lam son snippets", "kiem luan san snippets", "kiem lam san 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: (((("kiem lam san snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kiem lam san snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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