Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong quang » truong quan, luong quang, thong quang
thieu sang » chieu sang, thieu khang, thieu quang
quang dung » quang trung, ung dung, cuong dung
hoc thieu » toc thieu, hoc hien
cong van » cong vang, cong san, song van
cong tac » cong ty
tuan cap » than cap, thuan cam, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sang - thanh truong quang dung ((cong van) or (cong tac)) tuan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh truong quang dung ((cong van) OR (cong tac)) tuan cap*.