Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
thanh tra » thanh toan, thanh hoa
van chong » van chuong, van cong, van cuong
van phong » van dong, hai phong
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - thanh tra ((van chong) OR (van phong)) cong dan chan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh tra ((van chong) OR (van phong)) cong dan chan cau*".