Perhaps you should try some spelling variations:
luat phuong » luat thuong, luan phuong, xuat phuong
phuong dong » phuong dung, phuong hoang, chuong duong
tranh luat » trinh luat, tranh luan, trinh luan
hien xanh » hien hanh, hien nhanh, chieu xanh
dong tai » dung tai, luong tai, cong tac
tcan cau » toan cau, toan cao, van cau
can cau » van cau, ban cau, ca cau

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 xanh - canh tranh luat phuong dong tai ((tcan cau) or (can cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh tranh luat phuong dong tai ((tcan cau) OR (can cau))*.