Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chau tinh » cuu tinh, cua tinh, cac tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cao » toan ban, toan tap
ha tinh » va tinh, may tinh

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: ho ((chau tinh) OR (ha tinh)) - hanh tranh cua nhung ((cong dan) OR (cong san)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chau tinh) OR (ha tinh)) - hanh tranh cua nhung ((cong dan) or (cong san)) toan cao~".
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) OR (ha tinh)) - hanh tranh cua nhung ((cong dan) or (cong san)) toan cao*.