Perhaps you should try some spelling variations:
thanh tung » thanh cong
cua khong » hua khong, cua phuong, cua thuong
chi sach » chinh sach, chieu sach, co sach
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - thanh tung cua khong ((cong san) or (huong dan)) ((chinh cho) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh tung cua khong ((cong san) OR (huong dan)) ((chinh cho) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh tung cua khong ((cong san) or (huong dan)) ((chinh cho) or (phan cau))*.