Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » ho chieu, theo chu, thi chieu
trung cua » truong cua, trung tuan, trung cap
dong cong » duong cong, dung cong, dang cong
cong danh » cuong danh, cong dan, cong thanh
thanh cac » thanh bac, thanh ca, tranh cac
cua dong » chua dong, cua cong, cua dang
hanh cac » hang cac, hanh cat, nhanh cay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo tieu)) tinh - thanh trung cua dong cong danh ((thanh cac) OR (hanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) tinh - thanh trung cua dong cong danh ((thanh cac) OR (hanh cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo tieu)) tinh - thanh trung cua dong cong danh ((thanh cac) OR (hanh cac))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) tinh - thanh trung cua dong cong danh ((thanh cac) OR (hanh cac))*.