Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets", "python using code slippers"
"va dung phan snippets" » "va dung nhan snippets", "va dung luan snippets", "va dung ha snippets", "van dung phan snippets", "va duong phan snippets", "vat dung phan snippets", "va dung phan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("va dung phan snippets") or ("python using code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va dung phan snippets") OR ("python using code snippets"))) OR ("locating bug code snippets")).
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