Perhaps you should try some spelling variations:
dang thanh » dong thanh, dang hanh, hoang thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
hanh tang » hanh trang, anh tang, hanh mang
chua dong » cua dong, ha dong, hoa dong
cong dang » cong dong, cong dan, cong dung
huy dong » ha dong
thanh ca » thanh cha, thanh cac, thanh ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu xanh) or (hieu manh)) - hanh tang ((chua dong) OR (huy dong)) cong dang thanh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (hieu manh)) - hanh tang ((chua dong) OR (huy dong)) cong dang thanh ca*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((chieu xanh) or (hieu manh)) - hanh tang ((chua dong) OR (huy dong)) cong dang thanh ca*".