Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"sach den phu snippets" » "sach de phu snippets", "sach dung phu snippets", "mach dien phu snippets", "sach don phu snippets", "sach bien phu snippets", "sach den thuc snippets", "sach den phu 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: (((("sach den phu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach den phu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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