Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
dong doanh » dung doanh, trong doanh, doanh doanh
hoc chieu » hoc thieu, ho chieu, hoc hien
doanh van » doan van, doanh va, doanh ban
van dung » van dong, xay dung, tin dung
ap dung » xay dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - thanh tung ((ap dung) or (van dung)) dong doanh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh tung ((ap dung) OR (van dung)) dong doanh van ban*.