Perhaps you should try some spelling variations:
hien nhanh » thien thanh, tien thanh, dien thanh
thanh tung » thanh cong
dong doanh » dung doanh, trong doanh, doanh doanh
doanh phan » doanh nhan, doan phan, doanh thanh
hien hanh » dieu hanh
tao trong » cay trong, ro trong
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien hanh) or (hien nhanh)) - thanh tung ((giao thong) or (tao trong)) dong doanh phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (hien nhanh)) - thanh tung ((giao thong) OR (tao trong)) dong doanh phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) or (hien nhanh)) - thanh tung ((giao thong) or (tao trong)) dong doanh phan cau*.