Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chiet tach » chieu sach
thong cong » trong cong, tong cong, thong thong
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
ho chiet » ho chieu, ho thiet, hoc thiet
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, dang thanh
van than » van thanh, van thang, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - doanh doanh cua thong cong ((dan toan) or (((dan than) OR (van than)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - doanh doanh cua thong cong ((dan toan) OR (((dan than) OR (van than)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - doanh doanh cua thong cong ((dan toan) or (((dan than) OR (van than)))) cau".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - doanh doanh cua thong cong ((dan toan) or (((dan than) OR (van than)))) cau*.