Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh qua » tranh cua, thanh qua, trinh qua
song cong » cong cong, tong cong, song hong
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 tranh qua song cong ((dan toan) OR (manh toan)) cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tranh qua song cong ((dan toan) or (manh toan)) cau*.