Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thong » cua thuong, cua khong, cua tong
mang cua » manh cua, dung cua, ban cua
cong tan » cong tac, cong san, cong thanh

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 mang cua thong cong tan ((toan ban) OR (van ban))~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh mang cua thong cong tan ((toan ban) or (van ban))*.