Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung cua » truong cua, trung tuan, trung cap
chi xanh » chi anh, chi danh, chieu xanh
chi hanh » chi nhanh, chi thanh, thi hanh
cua dung » cua dang, cua dong, qua dung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi xanh) or (chi hanh)) - thanh trung cua dung ((cong tan) OR (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi hanh)) - thanh trung cua dung ((cong tan) OR (cong tac)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) or (chi hanh)) - thanh trung cua dung ((cong tan) OR (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi hanh)) - thanh trung cua dung ((cong tan) OR (cong tac)) toan cau*.