Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
ngan tong » nhan tong, nganh cong, nganh nong
hoc dieu » hoc hien
tung cua » trung cua, tuong cua, dung cua
cua ngan » cua ban, vu ngan, cua dan
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc dieu) OR (hoc thieu)) tinh - thanh tung cua ngan tong ((xuan toan) OR (van toan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dieu) OR (hoc thieu)) tinh - thanh tung cua ngan tong ((xuan toan) OR (van toan)) cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) OR (hoc thieu)) tinh - thanh tung cua ngan tong ((xuan toan) OR (van toan)) cao*.