Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
trinh chao » trinh chat, trinh co, trinh giao
trong dang » truong dang, trong dan, trong dong
trinh han » trinh quan
dang danh » dang dinh, dang hanh, dung danh
danh phan » doanh phan, danh nhan, danh phap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu tinh - hanh ((trinh chao) or (trinh han)) trong dang danh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - hanh ((trinh chao) OR (trinh han)) trong dang danh phan tu.
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - hanh ((trinh chao) or (trinh han)) trong dang danh phan tu*.