Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
chiet tach » chieu sach
doanh luan » doanh nhan
nhung cong » thong cong, hang cong, nhung don
hoc chiet » hoc thiet, hoc nhiet, hoc hien
dung cong » dung trong
van van » tan van, san van, van vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chiet tach - chinh doanh luan ((nhung cong) or (dung cong)) van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chiet tach - chinh doanh luan ((nhung cong) OR (dung cong)) van van ban.
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - chinh doanh luan ((nhung cong) or (dung cong)) van van ban*.