Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach tra cau snippets" » "sach tra code snippets", "sach tranh cau snippets", "sach tham cau snippets", "sach tren cau snippets", "sach tra sau snippets", "sach ta cau snippets", "sach tra cuu 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 tra cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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