Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
doi chieu » doc hieu, ho chieu, mot chieu
tranh cua » doanh cua, manh cua
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong ty
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: ((doi chieu) OR (doi chi)) xanh - canh tranh cua dung ((cong tan) OR (cong thanh)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (doi chi)) xanh - canh tranh cua dung ((cong tan) OR (cong thanh)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) xanh - canh tranh cua dung ((cong tan) OR (cong thanh)) toan cau*.