Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh cau toi snippets" » "danh cau code snippets", "danh dau toi snippets", "danh ca toi snippets", "danh hau toi snippets", "danh cau hoi snippets", "danh cau thi snippets", "danh cac toi snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("danh cau toi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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