Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
cua khong » hua khong, cua phuong, cua thuong
ca thuong » cao thuong, cua thuong, va thuong
hong bang » dong bang, hang ban, hong hanh
chi sach » chinh sach, chieu sach, co sach
cong tan » cong tac, cong san, cong thanh
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 tuong ((cua khong) or (ca thuong)) ((hong bang) or (cong tan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh tuong ((cua khong) OR (ca thuong)) ((hong bang) OR (cong tan)) phan cau.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh tuong ((cua khong) or (ca thuong)) ((hong bang) or (cong tan)) phan cau*.