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"
"van anh dac snippets" » "van thanh dac snippets", "van minh dac snippets", "tuan anh dac snippets", "van anh duc snippets", "van anh dat snippets", "van anh doc snippets", "van anh dac 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: (((("python using data snippets") or ("van anh dac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("van anh dac snippets"))) OR ("locating bug code snippets")).
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