Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
khan cap » than cap, khoan cam, phan cac
khan ap » han ap, khan dam

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 - canh tranh cua nhung ((cong dan) or (cong tan)) ((khan cap) or (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - canh tranh cua nhung ((cong dan) OR (cong tan)) ((khan cap) OR (khan ap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh tranh cua nhung ((cong dan) or (cong tan)) ((khan cap) or (khan ap))*.