Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh va cau snippets" » "danh va code snippets", "doanh va cau snippets", "hanh va cau snippets", "anh va cau snippets", "danh van cau snippets", "danh va cac snippets", "danh va dau 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: (((("danh va cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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