Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
tinh cua » trinh cua, sinh cua, tinh chat
cong san » cong tac
san tran » tan tran, ban tran, dang tran
tran cau » tran chau, toan cau, ran cau
luat » xuat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - hanh ((trinh (luat or luan)) or (tinh cua)) nhung cong san tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - hanh ((trinh (luat OR luan)) OR (tinh cua)) nhung cong san tran cau.
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - hanh ((trinh (luat or luan)) or (tinh cua)) nhung cong san tran cau*.