Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
theo chieu » theo tieu, ho chieu, thi chieu
doanh qua » doanh quan, doanh cua, danh qua
dung cong » dung trong
theo chu » cho chu, chao chu, theo yeu
qua dung » quang dung, su dung, qua song
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

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