Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoa hang o2 snippets" » "khoa hang code snippets", "khoa dang o2 snippets", "khoai lang o2 snippets", "kho tang o2 snippets", "khoa hang hoa snippets", "khoa hang rok snippets", "khoa hang ton 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: (((("khoa hang o2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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