Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
doi chieu » doc hieu, doi chi, mot chieu
canh manh » lanh manh, canh tranh, cach mang
cua khong » hua khong, cua phuong, cua thuong
ho chieu » theo chieu, hoc thieu, mot chieu
van manh » van minh, van anh, van hanh
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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 chieu) OR (doi chieu)) tinh - ((canh manh) OR (van manh)) cua khong cong san toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) tinh - ((canh manh) or (van manh)) cua khong cong san toan tap~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) tinh - ((canh manh) or (van manh)) cua khong cong san toan tap*.