Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
quang dung » quang trung, ung dung, cuong dung
hien xanh » hien hanh, hien nhanh, chieu xanh
quan dung » quan duong, qua dung, quan dong
van than » van thanh, van thang, van tuan
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 hien xanh - thanh tuong ((quan dung) OR (quang dung)) huong ((van than) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh tuong ((quan dung) OR (quang dung)) huong ((van than) OR (ban than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh tuong ((quan dung) OR (quang dung)) huong ((van than) or (ban than)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh tuong ((quan dung) OR (quang dung)) huong ((van than) or (ban than)) cau*.