Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tran » thanh trang, thanh toan, thanh tra
hoc thieu » toc thieu, hoc hien
van duong » van dung, van phong, hai duong
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 tran ((van duong) or (van dong)) cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh tran ((van duong) OR (van dong)) cong dan chan cau*.