Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh tranh » canh tranh, hanh trinh, lanh tranh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung dong » nhung don, nhung cong, nhung dung
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
dong tinh » dong kinh, dong tin, cong tinh
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) or (hanh trang)) cua nhung dong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((hanh tranh) OR (hanh trang)) cua nhung dong tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((hanh tranh) or (hanh trang)) cua nhung dong tinh toan ban*.