Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach
thuat tach » thuat sach, thuat mach, thuat tac
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
thong cong » tong cong, thong thong, phong chong
van toan » van tuan, van tan, van thanh
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: ho ((thiet tach) or (thuat tach)) - hanh doanh luan ((thong cong) OR (trong cong)) van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((thiet tach) OR (thuat tach)) - hanh doanh luan ((thong cong) OR (trong cong)) van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((thiet tach) or (thuat tach)) - hanh doanh luan ((thong cong) OR (trong cong)) van toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((thiet tach) or (thuat tach)) - hanh doanh luan ((thong cong) OR (trong cong)) van toan ban*.