Perhaps you should try some spelling variations:
dong doanh » dung doanh, trong doanh, doanh doanh
doanh phan » doanh nhan, doan phan, doanh thanh
hoc thieu » hoc hien
dung dong » dung cong, vung dong, dung trong
mang cua » dung cua, ban cua, cong cua
manh cua » doanh cua, ban cua
phan cau » phan dau, phan cac, phan tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - cach ((mang cua) OR (manh cua)) dung dong doanh phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) xanh - cach ((mang cua) or (manh cua)) dung dong doanh phan cau~".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (toc thieu)) xanh - cach ((mang cua) or (manh cua)) dung dong doanh phan cau*.