Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khu doi nhan snippets" » "khu doi khang snippets", "khu tri nhan snippets", "khu hoi nhap snippets", "khu do nhan snippets", "phu doi nhan snippets", "khi doi nhan snippets", "khu doi nhan 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: (((("khu doi nhan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu doi nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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