Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
chinh cua » chinh ca, chinh sua, hinh cua
cua chung » cua nhung, luan chung, luat chung
cong dan » cong san, cong tan, cong dong
cong tac » cong ty
toan cao » toan ban, toan tap

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 chinh cua chung ((((cong dan) or (cong tac))) or (huong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh chinh cua chung ((((cong dan) OR (cong tac))) OR (huong dan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh chinh cua chung ((((cong dan) or (cong tac))) or (huong dan)) toan cao*.