Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"danh phan dang slices" » "doanh phan dang slices", "danh nhan dang slices", "danh phap dang slices", "danh phan dau slices", "danh phan cong slices", "danh nhan dan slices"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("danh phan dang slices"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("danh phan dang slices"))) OR ("locating bug core snippets")).
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