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
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
than man » than ma, tran manh, than phan
hang ca » hang va, nang cao, hang tai
ca dong » cao dong, cau dong, cua dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh hang ca dong cong tan ((than man) OR (thanh san))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh hang ca dong cong tan ((than man) OR (thanh san))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh hang ca dong cong tan ((than man) OR (thanh san))*.