Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, lieu tinh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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 tieu tinh - canh tranh cua dung cong san ((phan cau) OR (phan cac))~.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - canh tranh cua dung cong san ((phan cau) or (phan cac))*.