Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xac anh tuan slippers" » "xac dinh tuan slippers", "xuan anh tuan slippers", "tac danh tuan slippers", "xac anh quan slippers", "xac anh tran slippers", "xac anh luan slippers", "xac anh tuan slippery", "xac anh tuan 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: (((("python using java snippets") or ("xac anh tuan slippers"))) or ("locating bug code snippets"))~.
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