Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
co trong » ro trong, cong trong, dot trong
toan ban » van ban
tung co » trung co, dung co, tung ho

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh tung co trong cong vinh toan ban*.