Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, doi chieu
cua dang » cua ban
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
ran cau » van cau, ban cau, can cau

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: ho chieu xanh - thanh trung ((cua dang) OR (cua cong)) ((cong tan) OR (cong tac)) ran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((cua dang) OR (cua cong)) ((cong tan) or (cong tac)) ran cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ((cua dang) OR (cua cong)) ((cong tan) or (cong tac)) ran cau*.