Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chau tinh » cuu tinh, ha tinh, cac tinh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
tong cong » trong cong, cong cong, dung cong
cua tinh » cua sinh, va tinh, ha tinh
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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: o ((chau tinh) OR (cua tinh)) - hanh tranh cua ((hang cong) OR (tong cong)) ban than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "o ((chau tinh) OR (cua tinh)) - hanh tranh cua ((hang cong) or (tong cong)) ban than cau~".
• Adding a wildcard symbol may retrieve word variants: o ((chau tinh) OR (cua tinh)) - hanh tranh cua ((hang cong) or (tong cong)) ban than cau*.