Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi cong cac snippets" » "doi cong code snippets", "doi song cac snippets", "noi cong cac snippets", "moi cong cac snippets", "doi cuong cac snippets", "doi cong tac snippets", "doi cong cau 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: (((("doi cong cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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