Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
truong cua » truong ca, truong quan, truong cao
trong dung » thong dung, trung dung, trong rung
hoc thieu » toc thieu, hoc hien
trung cua » trung tuan, dung cua, thong cua
trung cap » truong cao, trung tam
dung toan » dung doanh, dung thang, dung thanh
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 - manh ((((trung cua) OR (trung cap))) or (truong cua)) dung trong dung toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - manh ((((trung cua) OR (trung cap))) OR (truong cua)) dung trong dung toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - manh ((((trung cua) OR (trung cap))) or (truong cua)) dung trong dung toan ban*".