Perhaps you should try some spelling variations:
luan chung » luan chinh
chieu sach » chinh sach, chiet tach, chieu sang
chung cong » nhung cong, chong cong, phung cong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh dong » anh dong, ha dong
dong luan » dung luan, tong luan, dong xuan
cong danh » cuong danh, cong dan, cong thanh
danh phan » doanh phan, danh nhan, danh phap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (hieu lang)) - hanh dong luan chung cong danh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (hieu lang)) - hanh dong luan chung cong danh phan tu.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (hieu lang)) - hanh dong luan chung cong danh phan tu*.