Perhaps you should try some spelling variations:
tieu sach » chieu sach, dien sach, te sach
hanh mang » nhanh mang, hanh trang, nhanh lang
mang cua » manh cua, dung cua, ban cua
cua hang » cua dang, cua nhung, cua cong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - hanh mang cua hang ((cong dan) OR (cong san)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - hanh mang cua hang ((cong dan) OR (cong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh mang cua hang ((cong dan) OR (cong san)) toan cao*.