Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trong » hanh trang, anh trong, hinh trong
hoc thieu » toc thieu, hoc hien
trong cua » truong cua, thong cua, trong ca
cong cong » cong dong, trong cong, dung cong
ban thanh » ban hanh, ban hang
van toan » van tuan, van tan, van thanh

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh trong cua cong cong ((van toan) OR (((anh tuan) OR (ban thanh)))) cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh trong cua cong cong ((van toan) or (((anh tuan) or (ban thanh)))) cau*.