Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, than kinh
nhung cong » dung cong, thong cong, hang cong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
cua nhung » va nhung
tinh cua » trinh cua, sinh cua, tinh chat
dan toan » van toan, dan than, manh toan
van tuan » van quan, van ban, anh tuan

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 tinh cua nhung cong ((((dan toan) OR (xuan toan))) OR (van tuan)) cau~.
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh tinh cua nhung cong ((((dan toan) or (xuan toan))) or (van tuan)) cau*.