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
tranh cua » doanh cua, manh cua
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
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 ((tranh cua) or (tang cua)) nhung cong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh ((tranh cua) OR (tang cua)) nhung cong dan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh ((tranh cua) or (tang cua)) nhung cong dan ((toan cao) or (toan ban))*.