Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thong dong » thong duong, thuong dong, thong cong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
dong bang » dong san
thanh cau » thanh chau, thanh mau, nhanh cau
thanh hai » thanh phan, thanh hoa, thanh san

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) or (hien hanh)) - hanh trinh cua thong dong bang ((thanh cau) or (thanh hai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh trinh cua thong dong bang ((thanh cau) OR (thanh hai)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - hanh trinh cua thong dong bang ((thanh cau) or (thanh hai))*.