Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cap » trung tam
manh toan » thanh toan, anh tuan, tinh toan
van tan » van tuan, van ban, van tai

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: hoc chieu xanh - hanh ((trung cap) OR (truong cao)) nhung cong ((van tan) OR (manh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((trung cap) OR (truong cao)) nhung cong ((van tan) or (manh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trung cap) OR (truong cao)) nhung cong ((van tan) or (manh toan)) cau*.