Perhaps you should try some spelling variations:
chieu tach » chiet tach, chiu trach, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
manh toan » thanh toan, anh tuan, tinh toan
dan toan » van toan, dan than, xuan toan
cua han » cua hang, cua nhan, cua phan

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: theo ((chieu tach) OR (chieu sach)) - hanh tranh cua han tong ((dan toan) OR (manh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tach) OR (chieu sach)) - hanh tranh cua han tong ((dan toan) or (manh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tach) OR (chieu sach)) - hanh tranh cua han tong ((dan toan) or (manh toan)) cau*.