Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cach do nhan snippets" » "cach de nhan snippets", "sach dao nhan snippets", "cach noi nhan snippets", "cach doi nhan snippets", "cach do nhat snippets", "cach hon nhan snippets", "cach do 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: (((("cach do 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: (((("cach do nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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