Perhaps you should try some spelling variations:
thanh trung » thanh tung
duong cong » dung cong, luong cong, duong trong
cho chinh » chon chinh, che chinh, cuoc chinh
trung dap » trung cap, trung dai, trung dam
thanh lap » thanh san, phan lap, thanh hai
ung cong » dung cong, luong cong, cuong cong
khan ap » khan cap, han ap, khan dam

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 trung dap ((ung cong) OR (duong cong)) dan ((khan ap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chinh sach - thanh trung dap ((ung cong) OR (duong cong)) dan ((khan ap) OR (thanh lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chinh sach - thanh trung dap ((ung cong) OR (duong cong)) dan ((khan ap) or (thanh lap))".
• Adding a wildcard symbol may retrieve word variants: cho chinh sach - thanh trung dap ((ung cong) OR (duong cong)) dan ((khan ap) or (thanh lap))*.