Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
cua thuong » cua truong, ca thuong, cua huong
cua phuong » cuu phuong, cuc phuong, luan phuong
cong tran » cong tan, cong tuan, cong toan
ho chieu » theo chieu, hoc thieu, doi chieu
tran van » luan van
ho hieu » hoi hieu, nho hieu, co hieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho hieu) OR (ho chieu)) lang - hanh doanh ((cua thuong) OR (cua phuong)) cong tran van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho hieu) OR (ho chieu)) lang - hanh doanh ((cua thuong) or (cua phuong)) cong tran van ban~".
• Adding a wildcard symbol may retrieve word variants: ((ho hieu) OR (ho chieu)) lang - hanh doanh ((cua thuong) or (cua phuong)) cong tran van ban*.