Perhaps you should try some spelling variations:
thanh trung » thanh tung
cuong cong » cong cong, luong cong, duong cong
hien hanh » dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua cuong » cua cong, cua huong, cua truong
cong ban » cong bang, cong san, cong tan
khan cap » than cap, khoan cam, phan cac
khan ap » 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: hoc hien hanh - thanh trung cua cuong cong ban ((khan cap) OR (khan ap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - thanh trung cua cuong cong ban ((khan cap) OR (khan ap))".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - thanh trung cua cuong cong ban ((khan cap) OR (khan ap))*.