Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua dang cac snippets" » "cua dang code snippets", "cua cong cac snippets", "cua ban cac snippets", "cua dung cac snippets", "cua bang cac snippets", "cua dong cac 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: (((("cua dang cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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