Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
dang cong » dung cong
tien anh » tieng anh, tien manh, dien anh
cua dang » cua cong, cua ban
dan than » dan chan, ban than, van than
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien anh) or (dieu hanh)) - hanh doanh cua dang cong ((dan than) or (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (dieu hanh)) - hanh doanh cua dang cong ((dan than) OR (van toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((tien anh) or (dieu hanh)) - hanh doanh cua dang cong ((dan than) or (van toan)) cau*.