Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh hinh » hanh chinh, hanh tinh, hanh dinh
cong cong » cong dong, trong cong, dung cong
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
hinh cua » chinh cua, sinh cua, tinh cua
phan cac » nhan cach, phan dau, phan lap

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 (chieu sang)) - hanh hinh cua cong cong luan phan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chieu sang)) - hanh hinh cua cong cong luan phan cac*".