Perhaps you should try some spelling variations:
thanh trung » thanh tung
cuong cong » cong cong, luong cong, duong cong
trung cua » truong cua, trung tuan, trung cap
cua cuong » cua cong, cua huong, cua truong
cong ban » cong bang, cong san, cong tan
phan cac » nhan cach, phan dau, phan lap
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: hoc ((hien hanh) OR (dieu hanh)) - thanh trung cua cuong cong ban ((phan cac) or (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (dieu hanh)) - thanh trung cua cuong cong ban ((phan cac) OR (khan ap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien hanh) OR (dieu hanh)) - thanh trung cua cuong cong ban ((phan cac) or (khan ap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) OR (dieu hanh)) - thanh trung cua cuong cong ban ((phan cac) or (khan ap))*.