Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
hoc thieu » toc thieu, hoc hien
dong cong » duong cong, dung cong, dang cong
manh toan » thanh toan, anh tuan, tinh toan
dan toan » van toan, dan than, 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: hoc thieu xanh - hanh ((truong cua) OR (truong cao)) dong cong ((dan toan) OR (manh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((truong cua) OR (truong cao)) dong cong ((dan toan) or (manh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((truong cua) OR (truong cao)) dong cong ((dan toan) or (manh toan)) cau*.