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"
"dung co uy snippets" » "dung cho uy snippets", "dung cong uy snippets", "dung cua uy snippets", "dung co luy snippets", "dung so uy snippets", "dung co ly snippets", "dung co uy 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: (((("dung co uy snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung co uy snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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