Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hieu lang » chieu sang, hieu quang, nhieu tang
trang cua » tranh cua, tang cua, trung cua
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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) or (hieu lang)) - hanh trang cua tong ((cong dan) or (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chinh sach) OR (hieu lang)) - hanh trang cua tong ((cong dan) OR (cong tan)) than cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chinh sach) or (hieu lang)) - hanh trang cua tong ((cong dan) or (cong tan)) than cau*.