Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trai dan cac snippets" » "trai dan code snippets", "trai dat cac snippets", "trai doanh cac snippets", "tran dang cac snippets", "trai dan cach snippets", "trai dang cac snippets", "trai dan ca 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: (((("trai dan cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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