Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
dong cong » duong cong, dang cong, cong cong
dung cong » dung trong
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu
tung ha » trung ha, dung ha, tung ho

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 ha ((dong cong) OR (dung cong)) tan ((than cau) OR (phan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - thanh tung ha ((dong cong) OR (dung cong)) tan ((than cau) or (phan cau))~".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh tung ha ((dong cong) OR (dung cong)) tan ((than cau) or (phan cau))*.