Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tuong va » truong va, thuong va, luong va
san toan » dan toan, manh toan, xuan toan
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan
va dung » van dung, va duong, vat dung

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