Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doi chi, ho chieu, mot chieu
tranh cua » doanh cua, manh cua
cong danh » cuong danh, cong dan, cong khanh
doc hieu » toc thieu, hoc thieu, hoc hien
cua bang » chua bang, cua ban, cua dang
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: ((doi chieu) OR (doc hieu)) xanh - hanh tranh cua bang ((cong danh) OR (cong thanh)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (doc hieu)) xanh - hanh tranh cua bang ((cong danh) OR (cong thanh)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doc hieu)) xanh - hanh tranh cua bang ((cong danh) OR (cong thanh)) toan cau*.