Perhaps you should try some spelling variations:
thanh trung » thanh tung
tieu xanh » tieu danh, chieu xanh, dieu hanh
ca thuong » cao thuong, cua thuong, va thuong
trung ca » trung cap, truong ca, trung cua
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - thanh trung ca thuong ((cong tan) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh trung ca thuong ((cong tan) OR (cong san)) than cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh trung ca thuong ((cong tan) or (cong san)) than cau*.