Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
cua hang » cua dang, cua ban, cua dan
cong anh » cong danh, dong anh, hong anh
tuan ban » tuan bang, toan ban, luan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh tranh ((((cua hang) OR (cua cong))) OR (cua nhung)) cong anh tuan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh tranh ((((cua hang) or (cua cong))) or (cua nhung)) cong anh tuan ban*.