Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
mang qua » mang vua, nang quan, tang quan
mang cua » manh cua, dung cua, ban cua
cong san » cong tac
than cao » thai cao, than cap, than sao
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 ((mang qua) or (mang cua)) nhung cong san ((than cao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh ((mang qua) OR (mang cua)) nhung cong san ((than cao) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh ((mang qua) or (mang cua)) nhung cong san ((than cao) or (toan cao))*.