Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tung vat » dung vat, tang vat, tung va
vat dung » van dung, va dung, viet dung
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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 tung vat dung cong ((dan toan) OR (dan than)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh tung vat dung cong ((dan toan) OR (dan than)) cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh tung vat dung cong ((dan toan) OR (dan than)) cao*.