Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"su hoan sach snippets" » "su hoa sach snippets", "su ngan sach snippets", "su hoc sach snippets", "su han sach snippets", "vu hoan sach snippets", "thu hoan sach snippets", "su hoan 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: (((("su hoan 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: (((("su hoan sach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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