Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
cong phan » cong nhan, cong khan, chong phap
phan tong » phan trong, phan cong, han tong
tong cong » trong cong, cong cong, dung cong
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 cong phan tong cong dan chan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh cong phan tong cong dan chan cau*.