Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
nhung manh » nhung thanh, nhung van, nhung lang
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
hung manh » hung anh, tung manh, duong manh
toan ban » van ban
ban cua » ban quan

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 - canh ((ban cua) or (doanh cua)) nhung ((hung manh) or (nhung manh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - canh ((ban cua) OR (doanh cua)) nhung ((hung manh) OR (nhung manh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - canh ((ban cua) or (doanh cua)) nhung ((hung manh) or (nhung manh)) toan ban*.