Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
tranh van » tran van, trinh van, thanh van
van thong » van thuong, van phong, va thong
cong san » cong tac
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tranh van thong cong san ((than cap) OR (khan cap))~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tranh van thong cong san ((than cap) or (khan cap))*.