Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu so sach snippets" » "thu so sanh snippets", "thu bo sach snippets", "thu co sach snippets", "thuc so sach snippets", "tru so sach snippets", "tu so sach snippets", "thu so 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: (((("thu so 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: (((("thu so sach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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