Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
lanh ban » lanh bang, lang ban, doanh ban
cong dan » cong san, cong tan, huong dan
than cao » thai cao, than cap, than sao
toan cao » toan ban, toan tap
ban cua » ban quan

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