Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
trang cua » tranh cua, tang cua, trung cua
cua thong » cua thuong, cua khong, cua tong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac

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 - hanh trang cua thong ((cong dan) or (cong san)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh trang cua thong ((cong dan) OR (cong san)) van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh trang cua thong ((cong dan) or (cong san)) van ban*.