Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
tuong viet » thuong viet, truong viet, thong viet
viet dung » viet hung, viet huong, viet trung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
dan toan » van toan, dan than, manh toan
ban than » ban thanh, van thanh, ban hang

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 viet dung cong ((dan toan) or (ban than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh tuong viet dung cong ((dan toan) OR (ban than)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh tuong viet dung cong ((dan toan) or (ban than)) cao*.