Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
dang cong » dung cong
doan phan » doanh phan, toan phan, dan phan
cua dang » cua cong, cua ban
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu sach)) - canh tranh cua dang cong ((doan phan) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sach)) - canh tranh cua dang cong ((doan phan) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sach)) - canh tranh cua dang cong ((doan phan) or (dan chan)) cau*.