Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"diem can cau snippets" » "diem can code snippets", "dieu can cau snippets", "diem cau cau snippets", "tiem can cau snippets", "diem van cau snippets", "diem ban cau snippets", "diem 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: (((("diem can cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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