Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
dung cong » dung trong
doan phan » doanh phan, toan phan, doanh nhan
cua dung » cua dang, cua dong, qua dung
dan phan » dan chan, van phan, dam 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: ho ((chieu tinh) OR (chieu sach)) - canh tranh cua dung cong ((doan phan) OR (dan phan)) tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) or (chieu sach)) - canh tranh cua dung cong ((doan phan) OR (dan phan)) tu~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (chieu sach)) - canh tranh cua dung cong ((doan phan) OR (dan phan)) tu*.