Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, mot chieu, thi chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, mot chieu
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

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