Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chinh » thien chinh, te chinh, che chinh
tong cong » trong cong, cong cong, dung cong
cong san » cong tac
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac
ha tong » han tong, ha dong, ha tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chinh sach - ((thanh trung) or (thanh cong)) ha tong cong san ((than cau) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chinh sach - ((thanh trung) OR (thanh cong)) ha tong cong san ((than cau) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chinh sach - ((thanh trung) or (thanh cong)) ha tong cong san ((than cau) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - ((thanh trung) or (thanh cong)) ha tong cong san ((than cau) OR (than cap))*.