Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong cao » truong dai
cho chinh » chon chinh, che chinh, cuoc chinh
dong cong » duong cong, dung cong, dang cong
tac doanh » cac doanh, tac danh, toan doanh
cao dong » cao dang, lao dong, cao cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chinh sach - thanh truong cao dong cong ((tac doanh) or (cac dan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chinh sach - thanh truong cao dong cong ((tac doanh) OR (cac dan)) cao.
• Adding a wildcard symbol may retrieve word variants: cho chinh sach - thanh truong cao dong cong ((tac doanh) or (cac dan)) cao*.