Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh dang » thanh hang, thanh dan, thanh dong
thien anh » thien danh, tien anh, thien thanh
manh toan » thanh toan, tinh toan
dang cong » dung cong
cong san » cong tac
san toan » van toan, dan toan, xuan toan
toan ban » van ban

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) or (thien anh)) - ((manh toan) OR (anh tuan)) thanh dang cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (thien anh)) - ((manh toan) OR (anh tuan)) thanh dang cong san toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (thien anh)) - ((manh toan) OR (anh tuan)) thanh dang cong san toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (thien anh)) - ((manh toan) OR (anh tuan)) thanh dang cong san toan ban*.