Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cau phan cac snippets" » "cau phan code snippets", "chau phan cac snippets", "cuu phan cac snippets", "cac phan cac snippets", "cau nhan cach snippets", "cau phan dau snippets", "cau phan lap 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: (((("cau phan cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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