Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thi ham nhan snippets" » "thi pham nhan snippets", "thi hat nhan snippets", "thi cam nhan snippets", "thi cham nhan snippets", "thi tham nhan snippets", "thi hai nhan snippets", "thi ham 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: (((("thi ham 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: (((("thi ham nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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