Perhaps you should try some spelling variations:
tranh luat » trinh luat, tranh luan, trinh luan
hieu manh » chieu xanh, hieu nganh, dieu hanh
luat canh » luat doanh, luat kinh, luc canh
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - canh tranh luat canh ((cong dan) OR (cong san)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - canh tranh luat canh ((cong dan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh tranh luat canh ((cong dan) OR (cong san)) toan cau*.