Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, che chinh
nhanh lang » nhanh quang, nhanh thang, nhan dang
hanh tang » hanh trang, anh tang, hanh mang
cua dang » cua cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chinh sach - ((hanh tang) or (nhanh lang)) ((cua dang) or (cua ban)) cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chinh sach - ((hanh tang) OR (nhanh lang)) ((cua dang) OR (cua ban)) cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - ((hanh tang) or (nhanh lang)) ((cua dang) or (cua ban)) cong dan than cau*.