Perhaps you should try some spelling variations:
chau tinh » cuu tinh, cua tinh, cac tinh
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » 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.

• Performing a fuzzy search may retrieve terms with similar spellings: nguoi ((chau tinh) OR (ha tinh)) - canh tranh ((cua hang) or (cua dang)) cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nguoi ((chau tinh) OR (ha tinh)) - canh tranh ((cua hang) OR (cua dang)) cong san toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nguoi ((chau tinh) OR (ha tinh)) - canh tranh ((cua hang) or (cua dang)) cong san toan cau".
• Adding a wildcard symbol may retrieve word variants: nguoi ((chau tinh) OR (ha tinh)) - canh tranh ((cua hang) or (cua dang)) cong san toan cau*.