Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh doanh » hang doanh, chinh doanh, doanh doanh
cua phuong » cuu phuong, cuc phuong, luan phuong
thuc hieu » thuc hien, thu hien, thuc tien
cua khong » hua khong, cua thuong, cua cong
thong van » trong van, thong va, thong quan
van han » van hanh, van phan, van nhan
han tai » hang tai, nhan tai, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuc hieu) or (theo chieu)) quang - hanh doanh ((cua khong) OR (cua phuong)) thong van han tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuc hieu) OR (theo chieu)) quang - hanh doanh ((cua khong) OR (cua phuong)) thong van han tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuc hieu) or (theo chieu)) quang - hanh doanh ((cua khong) OR (cua phuong)) thong van han tai".
• Adding a wildcard symbol may retrieve word variants: ((thuc hieu) or (theo chieu)) quang - hanh doanh ((cua khong) OR (cua phuong)) thong van han tai*.