Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thoi cac cau snippets" » "thoi cac code snippets", "thoai cac cau snippets", "tho cac cau snippets", "hoi cac cau snippets", "thoi cac mau snippets", "thoi bac cau snippets", "thoi ca 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: (((("thoi cac cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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