Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi hong cau snippets" » "thi hong code snippets", "thi cong cau snippets", "thi phuong cau snippets", "thi hanh cau snippets", "thi thong cau snippets", "thi huong cau snippets", "thi hang 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: (((("thi hong cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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