Perhaps you should try some spelling variations:
thanh trung » thanh tung
duong cong » dung cong, luong cong, duong trong
che chinh » te chinh
trung cao » truong cao, trung cap, trung co
cao duong » cau duong, bao duong, cao cuong
thanh lap » thanh san, phan lap, thanh hai
cong dan » cong san, cong tan, huong dan
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: che chinh sach - thanh trung cao duong cong dan ((khan cap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: che chinh sach - thanh trung cao duong cong dan ((khan cap) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: che chinh sach - thanh trung cao duong cong dan ((khan cap) or (thanh lap))*.