Perhaps you should try some spelling variations:
dung tuong » dung thuong, dung truong, dung trong
tuong dong » tuong duong, trong dong, cuong duong
hoc thieu » hoc hien
phan dang » phan dau, phan cong, nhan dan
dang dung » dan dung, dang hung, dang quang
dong van » duong van, dang van, dong von
van quan » van ban
quan cu » quan cua, quang cu, quan cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (toc thieu)) tinh - phan dang dung tuong dong van quan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) tinh - phan dang dung tuong dong van quan cu.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) tinh - phan dang dung tuong dong van quan cu*.