Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh hang » thanh hang, hang hang, hanh han
dong cong » duong cong, dung cong, dang cong
chu sach » thu sach, chuc hach, khau sach
cau sach » cao sach, hau sach, rau sach
hang cua » mang cua, hang ca, huong cua
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
san chan » san chang, dan chan, san chay
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: theo ((((chu sach) OR (chieu sach))) or (cau sach)) - hanh hang cua dong cong san chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chu sach) OR (chieu sach))) OR (cau sach)) - hanh hang cua dong cong san chan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chu sach) OR (chieu sach))) or (cau sach)) - hanh hang cua dong cong san chan cau*".