Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong thanh » dong thanh, cong trinh, truong thanh
tieu xanh » tieu danh, chieu xanh, tien anh
trung cua » truong cua, trung tuan, trung cap
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong ty
tai cao » thai cao, tao cao, tai sao

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) or (dieu hanh)) - thanh trung cua dang ((cong tan) OR (cong thanh)) tai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu hanh)) - thanh trung cua dang ((cong tan) OR (cong thanh)) tai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) or (dieu hanh)) - thanh trung cua dang ((cong tan) OR (cong thanh)) tai cao".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (dieu hanh)) - thanh trung cua dang ((cong tan) OR (cong thanh)) tai cao*.