Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach so cau snippets" » "sach so code snippets", "mach so cau snippets", "sach lo cau snippets", "sach song cau snippets", "sach so cap snippets", "sach bo cau snippets", "sach co 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: (((("sach so cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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