Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
toan cao » toan tap
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 (chiet tach)) - canh doanh cua thong thong tin ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chiet tach)) - canh doanh cua thong thong tin ((toan cao) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chiet tach)) - canh doanh cua thong thong tin ((toan cao) OR (toan ban))*".