Perhaps you should try some spelling variations:
trinh hieu » trinh dieu, trinh thiet, trinh nhiet
hieu luat » hieu qua
luat canh » luat doanh, luat kinh, luc canh
viet chat » viet cham, viet chau, viet nhat
ca nguoi » cua nguoi, cho nguoi, con nguoi
va nguoi » cua nguoi, dao nguoi, hoa nguoi
chat hoc » chat hoa, chat thom, cho hoc
hien han » hien hanh, hien huan, dien han

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

• Performing a fuzzy search may retrieve terms with similar spellings: giao trinh hieu luat canh ((ca nguoi) OR (va nguoi)) viet chat hoc hien han~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "giao trinh hieu luat canh ((ca nguoi) OR (va nguoi)) viet chat hoc hien han".
• Adding a wildcard symbol may retrieve word variants: giao trinh hieu luat canh ((ca nguoi) OR (va nguoi)) viet chat hoc hien han*.