Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
khong sang » khong cang, thong sang, hong bang
cua khong » hua khong, cua phuong, cua thuong
tinh cua » trinh cua, sinh cua, tinh chat
sang tac » sang tao, sang tai, sang than
tac phan » tac pham, tai phan, tac phat
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((chieu sach) OR (chiet tach)) - nhanh tinh cua khong sang tac phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((chieu sach) OR (chiet tach)) - nhanh tinh cua khong sang tac phan dau".
• Adding a wildcard symbol may retrieve word variants: toc ((chieu sach) OR (chiet tach)) - nhanh tinh cua khong sang tac phan dau*.