Perhaps you should try some spelling variations:
chiet tach » chieu sach
trong dong » trong cong, trong nong, trong dang
dong phan » dung phan, cong phan, dong chan
ho chiet » ho chieu, ho thiet, hoc thiet
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
phan cau » phan dau, phan cac, phan tu

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 tranh ((cua dung) or (cua dong)) trong dong phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh ((cua dung) OR (cua dong)) trong dong phan cau.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh ((cua dung) or (cua dong)) trong dong phan cau*.