Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi dat luan slippers" » "hoi dan luan slippers", "hoi dau luan slippers", "hoi dat quang slippers", "hoi dap luan slippers", "hoc dat luan slippers", "hoi dat luan slippery", "hoi dat luan 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 ("hoi dat luan slippers"))) or ("locating bug code snippets"))~.
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