Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
ho chinh » hoc chinh, cho chinh, hoa chinh
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
toan cao » toan ban, toan tap
ban cau » bang cau, van cau, ban dau
ban can » ban dan, ban hang, ban hanh

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