Perhaps you should try some spelling variations:
nhanh tranh » nhanh thanh, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, ho chieu, mot chieu
tranh cua » doanh cua, manh cua
dang cong » dung cong
van than » van thanh, van thang, van tuan
than cau » toan cau, phan cau, than cap
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)) sang - nhanh tranh cua ((nhung cong) OR (dang cong)) van than cau~.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) sang - nhanh tranh cua ((nhung cong) or (dang cong)) van than cau*.