Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
hanh dinh » thanh dinh, hinh dinh, hanh tinh
hang cong » dang cong, hang nong, bang cong
dinh cua » dinh cuu, sinh cua, dinh cu
cua hang » cua dang, cua nhung, cua cong
cong san » cong tac
toan tap » toan ban
toan cao » toan 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 dinh cua hang cong san ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh dinh cua hang cong san ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh dinh cua hang cong san ((toan tap) or (toan cao))*.