Perhaps you should try some spelling variations:
chiet tach » chieu sach
canh trinh » hanh trinh, canh tinh, anh trinh
duong tien » duong vien, dong tien, phuong tien
van tuong » van truong, van thuong, van duong
tien toan » thien toan, dien toan, tien thanh
ho chiet » ho chieu, ho thiet, hoc thiet
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - ((canh trinh) OR (canh tranh)) van tuong duong tien toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - ((canh trinh) OR (canh tranh)) van tuong duong tien toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((canh trinh) OR (canh tranh)) van tuong duong tien toan cau*.