Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
doanh danh » doanh doanh, doanh anh, doanh thanh
hoc thieu » toc thieu, hoc hien
danh gian » dan gian, danh gia, danh giao
gian lang » gian dan
cong dan » cong san, cong tan, cong dong
khan ma » nhan ma, than ma, khan maaz

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 - doanh danh gian lang ((cong dan) or (huong dan)) khan ma~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - doanh danh gian lang ((cong dan) OR (huong dan)) khan ma*.