Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi sanh dan slippers" » "do sanh dan slippers", "doi hanh dan slippers", "doi anh dan slippers", "doi canh dan slippers", "doi sach danh slippers", "doi sinh danh slippers", "doi sanh dan slippery", "doi sanh dan 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 ("doi sanh dan slippers"))) or ("locating bug code snippets"))~.
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