Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
chan dung » van dung, dan dung
cao dung » cao dang, cao dong, cao ung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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 trung ((((xay dung) or (chan dung))) or (cao dung)) cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh trung ((((xay dung) OR (chan dung))) OR (cao dung)) cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh trung ((((xay dung) or (chan dung))) or (cao dung)) cong tac toan tap*.