Perhaps you should try some spelling variations:
"python using data grippers" » "python using java grippers", "python using sat grippers", "python missing data grippers", "python using data slippers"
"dung co cau slippery" » "dung cho cau slippery", "dung cong cau slippery", "dung cua cau slippery", "dung bo cau slippery", "dung co cau slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung co cau slippery") or ("python using data grippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung co cau slippery") OR ("python using data grippers"))) OR ("locating bug code snippets")).
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