Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
tam nhung » tham nhung, cam nhung, nam nhung
tung tam » trung tam, vung tam, dung tam
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - thanh tung tam nhung cong tan ((than cau) OR (((khan cap) OR (khan ap))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - thanh tung tam nhung cong tan ((than cau) or (((khan cap) OR (khan ap))))~".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh tung tam nhung cong tan ((than cau) or (((khan cap) OR (khan ap))))*.