Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tang » thanh thang, thanh trang, thanh tung
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
tang vat » tang van, dang vat, bang vat
vat dung » van dung, va dung, viet dung
dan toan » van toan, dan than, manh toan
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: hoc thieu xanh - thanh tang vat dung cong ((xuan toan) or (((dan toan) or (dan chan)))) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tang vat dung cong ((xuan toan) OR (((dan toan) OR (dan chan)))) cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tang vat dung cong ((xuan toan) or (((dan toan) or (dan chan)))) cao*.