Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khi toan xac snippets" » "chi toan xac snippets", "ke toan xac snippets", "bai toan xac snippets", "khi toan ban snippets", "khi toan hoc snippets", "khi toan tap snippets", "khi toan xac 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: (((("python using java snippets") or ("khi toan xac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("khi toan xac snippets"))) OR ("locating bug code snippets")).
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