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"
"duc man tinh snippets" » "duc may tinh snippets", "duc ban tinh snippets", "duc quan tinh snippets", "duc manh tinh snippets", "duc tan tinh snippets", "duc mau tinh snippets", "duc man tinh 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: (((("duc man tinh snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc man tinh snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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