Perhaps you should try some spelling variations:
"python using data slippers" » "python using java slippers", "python using sat slippers", "python missing data slippers", "python using data slippery", "python using data grippers"
"son tung phu snippets" » "son tang phu snippets", "con trung phu snippets", "son tinh phu snippets", "son dung phu snippets", "son vung phu snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son tung phu snippets") OR ("python using data slippers"))) OR ("locating bug code snippets")).
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