Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hang cong » dang cong, hang nong, bang cong
thanh lap » thanh san, phan lap, thanh hai
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
cua hang » cua dang, cua nhung, cua cong
cong san » cong tac
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu sang - anh dung cua hang cong san ((khan cap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sang - anh dung cua hang cong san ((khan cap) OR (thanh lap))*.