Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh trong » hanh trang, anh trong, hinh trong
hoc thieu » toc thieu, hoc hien
trong van » trong cac
cong dan » huong dan, cong dong, cong tac
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan ban » van 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 - hanh trong van dong ((((cong dan) or (cong tan))) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh trong van dong ((((cong dan) OR (cong tan))) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh trong van dong ((((cong dan) or (cong tan))) or (cong san)) toan ban*.