Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
tinh bang » tinh sang, tinh lang, tinh trang
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

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 - ((tinh bang) or (tinh quang)) cua dong ((cong tan) or (cong san)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((tinh bang) OR (tinh quang)) cua dong ((cong tan) OR (cong san)) than cap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((tinh bang) or (tinh quang)) cua dong ((cong tan) or (cong san)) than cap*.