Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hieu lang » chieu sang, hieu quang, nhieu tang
thanh cac » hanh cac, thanh bac, thanh ca
nho hieu » nha hieu, nho sieu, nhu hieu
trang va » tran van, hang va
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho hieu lang - hanh trang va hang ((cong dan) OR (cong tan)) thanh cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nho hieu lang - hanh trang va hang ((cong dan) OR (cong tan)) thanh cac".
• Adding a wildcard symbol may retrieve word variants: nho hieu lang - hanh trang va hang ((cong dan) OR (cong tan)) thanh cac*.