Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cac tinh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua tinh » cua sinh, va tinh, ha tinh
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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 ((trieu tinh) OR (((chau tinh) OR (cua tinh)))) - canh tranh cua dung cong tan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((trieu tinh) or (((chau tinh) OR (cua tinh)))) - canh tranh cua dung cong tan toan ban~".
• Adding a wildcard symbol may retrieve word variants: ho ((trieu tinh) or (((chau tinh) OR (cua tinh)))) - canh tranh cua dung cong tan toan ban*.