Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap con cac snippets" » "nhap con code snippets", "nhap cong cac snippets", "nhap mon cac snippets", "nhan con cac snippets", "nhap chon cac snippets", "nhap co cac snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("nhap con cac snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
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