Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
cua nhung » va nhung
toc hieu » toc thieu, doc hieu, thuc hieu
dan toan » dan than, manh toan, xuan toan
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: ((toc hieu) or (hoc thieu)) manh - hanh doanh cua nhung cong ((dan toan) OR (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc hieu) OR (hoc thieu)) manh - hanh doanh cua nhung cong ((dan toan) OR (van toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc hieu) or (hoc thieu)) manh - hanh doanh cua nhung cong ((dan toan) OR (van toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((toc hieu) or (hoc thieu)) manh - hanh doanh cua nhung cong ((dan toan) OR (van toan)) cau*.