Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
va phuong » va thuong, cac phuong
va thong » va thuong, he thong, va cong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap
o chau » a chau, 3 chau, moc chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: o chau tinh - canh tranh ((va thong) OR (va phuong)) cong san toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "o chau tinh - canh tranh ((va thong) OR (va phuong)) cong san toan cau".
• Adding a wildcard symbol may retrieve word variants: o chau tinh - canh tranh ((va thong) OR (va phuong)) cong san toan cau*.