Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » van dong, xay dung, tin dung
dan toan » van toan, dan than, xuan toan
va dung » va duong, vat dung, va ung

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 xanh - thanh tuong ((va dung) or (van dung)) cong ((dan toan) OR (manh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh tuong ((va dung) OR (van dung)) cong ((dan toan) OR (manh toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh tuong ((va dung) or (van dung)) cong ((dan toan) OR (manh toan)) cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh tuong ((va dung) or (van dung)) cong ((dan toan) OR (manh toan)) cao*.