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