Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thanh luong » thanh huong, thanh long, thanh cuong
luong quan » thong quan, duong qua
hoc thieu » toc thieu, hoc hien
quan hanh » quan thanh, quang thanh, quang khanh
hanh dong » anh dong, ha dong

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 quang - thanh luong quan hanh dong ((tinh toan) OR (dan ca)) cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - thanh luong quan hanh dong ((tinh toan) or (dan ca)) cau*.