Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
hoc thieu » toc thieu, hoc hien
dang cong » dung cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
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 ((truong cua) OR (truong cao)) dang cong manh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - manh ((truong cua) OR (truong cao)) dang cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - manh ((truong cua) OR (truong cao)) dang cong manh toan ban*.