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