Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung cong » truong cong, trong cong, trung uong
hanh tang » hanh trang, anh tang, hanh mang
cua trung » cua truong, xuan trung, cua nhung
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
tac dan » tac danh, cac dan, tac da

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

• Adding a wildcard symbol may retrieve word variants: mot chieu sach - hanh tang cua trung cong tac dan ca*.