Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong ban » cong bang, cong san, cong tan
ban hang » ngan hang
hang cau » hang dau, hang ca, nhung cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((dieu hanh) or (chau tinh)) - canh tranh cua nhung cong ban hang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((dieu hanh) OR (chau tinh)) - canh tranh cua nhung cong ban hang cau.
• Adding a wildcard symbol may retrieve word variants: ho ((dieu hanh) or (chau tinh)) - canh tranh cua nhung cong ban hang cau*.