Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, che chinh
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, hanh mang, hanh tung
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
cong san » cong tac
toan tap » toan ban
toan cao » toan 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 sach - ((hanh tang) OR (anh tang)) cua nhung cong san ((toan tap) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chinh sach - ((hanh tang) OR (anh tang)) cua nhung cong san ((toan tap) or (toan cao))~".
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - ((hanh tang) OR (anh tang)) cua nhung cong san ((toan tap) or (toan cao))*.