Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
chinh chat » chinh phat, chinh chau, tinh chat
chat nhung » chat ngung, thuat nhung, cua nhung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
san toan » dan toan, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - hanh chinh chat nhung cong ((san toan) OR (van toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh chinh chat nhung cong ((san toan) OR (van toan)) cau*.