Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
trung tuan » trung thanh, trung tam, tran tuan
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung cap, dung cua
tong cong » trong cong, cong cong, dung cong
manh cua » doanh cua, ban cua
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cao » toan ban, toan tap

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 sang - hanh ((((trung cua) OR (trung tuan))) OR (manh cua)) tong cong san toan cao~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh ((((trung cua) or (trung tuan))) or (manh cua)) tong cong san toan cao*.