Perhaps you should try some spelling variations:
luat nhung » luat chung, luat thuong, thuat nhung
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
thanh chau » thanh cha, thanh cham, thanh chu
hieu manh » chieu xanh, hieu nganh, hien hanh
thanh cau » thanh mau, nhanh cau, thanh ca

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) or (dieu hanh)) - hanh trinh luat nhung cong trinh ((thanh cau) OR (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (dieu hanh)) - hanh trinh luat nhung cong trinh ((thanh cau) OR (thanh chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (dieu hanh)) - hanh trinh luat nhung cong trinh ((thanh cau) OR (thanh chau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (dieu hanh)) - hanh trinh luat nhung cong trinh ((thanh cau) OR (thanh chau))*.