Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » anh tang, hanh mang, hanh tung
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
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 tang) or (hanh trang)) cua dong ((cong tan) or (huong dan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((hanh tang) OR (hanh trang)) cua dong ((cong tan) OR (huong dan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((hanh tang) or (hanh trang)) cua dong ((cong tan) or (huong dan)) toan ban*.