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"
"dat lam duc snippets" » "da lam duc snippets", "dao lam duc snippets", "dat luan duc snippets", "dat lam duoc snippets", "dat pham duc snippets", "dat nam duoc snippets", "dat lam 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: (((("dat lam 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: (((("dat lam duc snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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