Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung cong » truong cong, trong cong, trung uong
dieu danh » tieu danh, dia danh, dien anh
trung cua » truong cua, trung tuan, trung cap
cua trung » cua truong, xuan trung, cua nhung
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
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: thuoc ((dieu danh) or (dieu hanh)) - thanh trung cua trung cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc ((dieu danh) OR (dieu hanh)) - thanh trung cua trung cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: thuoc ((dieu danh) or (dieu hanh)) - thanh trung cua trung cong tan than cau*.