Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khu dac nhan snippets" » "khu cac nhan snippets", "khu danh nhan snippets", "khu ca nhan snippets", "thu dac nhan snippets", "khau dan nhan snippets", "chua dac nhan snippets", "khu dac 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 dac 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 dac nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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