Perhaps you should try some spelling variations:
canh manh » lanh manh, canh tranh, cach mang
dong cong » duong cong, dung cong, dang cong
ho chieu » theo chieu, hoc thieu, doi chieu
theo chu » theo chieu, cho chu, chao chu
manh cua » doanh cua, ban cua
cua dong » chua dong, cua cong, cua dang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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 (theo chu)) sach - canh manh cua dong cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chu)) sach - canh manh cua dong cong tac toan cau*.