Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » ho chieu, theo chu, thi chieu
cua nhung » va nhung
hanh ban » thanh ban, hang ban, hanh san
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh
ban cua » ban quan

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 chieu) OR (theo tieu)) xanh - hanh ban cua nhung cong ((dan toan) OR (van toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo tieu)) xanh - hanh ban cua nhung cong ((dan toan) or (van toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo tieu)) xanh - hanh ban cua nhung cong ((dan toan) or (van toan)) cau*.