Perhaps you should try some spelling variations:
thanh trung » thanh tung
tieu hanh » dieu hanh, tiem hanh, tien hanh
trung cua » truong cua, trung tuan, trung cap
cua bang » chua bang, cua ban, cua dang
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cau » toan cau, phan cau, than cap
phan cac » nhan cach, phan dau, phan lap

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 hanh - thanh trung cua bang ((cong dan) or (cong san)) ((than cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu hanh - thanh trung cua bang ((cong dan) OR (cong san)) ((than cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: theo tieu hanh - thanh trung cua bang ((cong dan) or (cong san)) ((than cau) or (phan cac))*.