Perhaps you should try some spelling variations:
doanh thoai » doanh tai, doanh khoa, doanh ngoai
thoai tieng » thi tieng, toan tieng
hang khoa » dung khoa
khoa lien » khoa tieng, thoai lien, khoa luan
luan hieu » luan tieu, luan dieu, luan thiet
hieu luat » hieu qua
luat kinh » qua kinh, luoc kinh, xuan kinh
lien ket » thien ket
ket luan » ket qua, te luan, dat luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (ngan or nhan) hang khoa lien ket luan hieu luat kinh doanh thoai tieng~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (ngan OR nhan) hang khoa lien ket luan hieu luat kinh doanh thoai tieng.
• Adding a wildcard symbol may retrieve word variants: (ngan or nhan) hang khoa lien ket luan hieu luat kinh doanh thoai tieng*.