Perhaps you should try some spelling variations:
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"doi bai duc snippets" » "hoi bai duc snippets", "doi ban duc snippets", "doi boi duc snippets", "doi bai doc snippets", "doi bui duc snippets", "doi mai duc snippets", "doi bai duc 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: (((("doi bai duc snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi bai duc snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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