Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
truong cua » truong ca, truong quan, truong cao
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
hang nong » thang long, han tong
nong tac » cong tac, dong tac, nong tan
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 ((truong cua) or (tranh cua)) hang nong tac ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh ((truong cua) OR (tranh cua)) hang nong tac ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh ((truong cua) or (tranh cua)) hang nong tac ((toan tap) or (toan ban))*.