Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"anh dat sach snippets" » "anh mat sach snippets", "anh dat khach snippets", "anh nam sach snippets", "thanh dat sach snippets", "lanh dao sach snippets", "dinh dat sach snippets", "anh dat sach 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: (((("anh dat sach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh dat sach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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