Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
viet dung » viet hung, viet huong, viet trung
cong bang » cuong bang, dong bang, hong bang
van dung » van dong, xay dung, tin dung
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 tang ((van dung) OR (viet dung)) cong bang ((than cap) OR (khan cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh tang ((van dung) or (viet dung)) cong bang ((than cap) OR (khan cap))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang ((van dung) or (viet dung)) cong bang ((than cap) OR (khan cap))*.