Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cap phan slippers" » "thi cac phan slippers", "thi cao phan slippers", "thi cap han slippers", "thi chap phan slippers", "thi cam phan slippers", "thi ca phan slippers", "thi cap phan slippery", "thi cap phan grippers"
"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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• Performing a fuzzy search may retrieve terms with similar spellings: (((("thi cap phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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