Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hieu lang » chieu sang, hieu quang, nhieu tang
doan toan » dan toan, doan tuan, doan trang
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh ((mang cua) or (dung cua)) nhung phuong ((doan toan) OR (doanh hoan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh ((mang cua) OR (dung cua)) nhung phuong ((doan toan) OR (doanh hoan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh ((mang cua) or (dung cua)) nhung phuong ((doan toan) OR (doanh hoan)) tap".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh ((mang cua) or (dung cua)) nhung phuong ((doan toan) OR (doanh hoan)) tap*.