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
hieu manh » chieu xanh, hieu nganh, hien hanh
nhanh cau » nhanh cay, thanh chau, hang cau
cong hon » cong hoan, cong hoa, cong lon
nhanh ha » thanh hoa, thanh hai, khanh hoa

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