Perhaps you should try some spelling variations:
thanh chung » thanh chuong, thanh hung, thanh phuong
chieu sang » chieu sach, chieu xanh, hieu lang
cua truong » cua trung, xuan truong, xa truong
ho chieu » theo chieu, hoc thieu, mot chieu
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh chung ((cua truong) OR (cac truong)) cong san toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh chung ((cua truong) OR (cac truong)) cong san toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh chung ((cua truong) OR (cac truong)) cong san toan cao*.