Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phan cuu ban snippets" » "phan cau ban snippets", "phan huu ban snippets", "phan cung ban snippets", "phan cuu van snippets", "phan cua ban snippets", "phan cuu san snippets", "phan cuu ban 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: (((("phan cuu ban snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan cuu ban snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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