Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
cua dung » qua dung, cua rung, cua nhung
cua dang » cua cong, cua ban
cua dong » chua dong, cua cong, cua nong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

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