Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van cong cac snippets" » "van cong code snippets", "van dong cac snippets", "van phong cac snippets", "phan cong cac snippets", "van cuong cac snippets", "van cong tac snippets", "van 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: (((("van cong cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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