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"
"thuc ngu lua snippets" » "tuc ngu lua snippets", "truc ngu lua snippets", "thuc nguoi lua snippets", "thuc ngu luan snippets", "thuc ngu cua snippets", "thuc ngon lua snippets", "thuc ngu lua 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: (((("thuc ngu lua snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc ngu lua snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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