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 » ban than, van than, dang thanh
dan chan » dan gian, dan ca, van chat

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