Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong cong » trong cong, tong cong, thong thong
mot chieu » doi chieu, ho chieu
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien
san toan » van toan, dan toan, xuan toan

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

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