Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thanh van ty snippets" » "thanh san ty snippets", "thanh toan ty snippets", "thanh phan ty snippets", "thanh van ky snippets", "thanh van tu snippets", "thanh van te snippets", "thanh van ty 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: (((("thanh van ty snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thanh van ty snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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