Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi ca lua slippers" » "hoi cua lua slippers", "hoi cac lua slippers", "hoi cau lua slippers", "hoi cay lua slippers", "hoi ca cua slippers", "hoi ca dua slippers", "hoi ca lua slippery", "hoi ca lua 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: (((("hoi ca lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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