Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, thi chinh
che chinh » te chinh
hanh tang » hanh trang, anh tang, hanh mang
tang cua » mang cua, hang cua, tang luan
ban cong » bang cong, van cong, phan cong
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
toan ban » van ban

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: ((theo chinh) OR (che chinh)) sach - hanh tang cua ban cong tan ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chinh) OR (che chinh)) sach - hanh tang cua ban cong tan ((toan cao) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ((theo chinh) OR (che chinh)) sach - hanh tang cua ban cong tan ((toan cao) or (toan ban))*.