Perhaps you should try some spelling variations:
mot chieu » doi chieu
nhan dong » nhanh dong, nhan dang, phan dong
dong quan » duong quan, dong quang, dung quan
quan tong » quan trong, quan dong, quan long
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
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 (mot chieu)) sang - nhan dong quan tong ((cong san) OR (cong tac)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (mot chieu)) sang - nhan dong quan tong ((cong san) OR (cong tac)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (mot chieu)) sang - nhan dong quan tong ((cong san) OR (cong tac)) toan cau*.