Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
thieu sang » chieu sang, thieu khang, thieu quang
trung tuan » trung thanh, trung tam, tran tuan
thuong con » thuong dong, thong cong, thuong chi
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung cap, dung cua
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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 - thanh ((trung cua) OR (trung tuan)) ((truong cong) OR (thuong con)) san than cap~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((trung cua) or (trung tuan)) ((truong cong) or (thuong con)) san than cap*.