Perhaps you should try some spelling variations:
dang cong » dung cong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cua dang » cua cong, cua ban
san toan » van toan, dan toan, xuan toan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (ho chieu)) xanh - anh tang cua dang cong ((san toan) OR (manh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tieu) or (ho chieu)) xanh - anh tang cua dang cong ((san toan) OR (manh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (ho chieu)) xanh - anh tang cua dang cong ((san toan) OR (manh toan)) cau*.