Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran co sach snippets" » "tranh co sach snippets", "toan co sach snippets", "tran cong sach snippets", "tran bo sach snippets", "tran cuon sach snippets", "tran hoc sach snippets", "tran co 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: (((("python using java snippets") or ("tran co sach snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tran co sach snippets"))) OR ("locating bug code snippets")).
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