Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
tuong quang » truong quang, thuong quang, luong quang
thieu xanh » chieu xanh, hieu manh, thien anh
quang dung » quang trung, ung dung, cuong dung
dung huong » dung thuong, dung phuong, dong huong
hoc thieu » toc thieu, hoc hien
dan than » dan chan, van than, dan 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: hoc thieu xanh - thanh tuong quang dung huong ((dan than) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tuong quang dung huong ((dan than) OR (ban than)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tuong quang dung huong ((dan than) or (ban than)) cau*.