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
dung cong » dung trong
thanh cac » hanh cac, thanh bac, thanh ca
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, than cua
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh trang cua dung cong san ((than cau) or (((than cap) or (thanh cac))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh trang cua dung cong san ((than cau) OR (((than cap) OR (thanh cac)))).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh trang cua dung cong san ((than cau) or (((than cap) or (thanh cac))))*.