Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tinh » thanh binh, nhanh tinh, than kinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tinh cua » trinh cua, sinh cua, tinh chat
cua dang » cua cong, cua ban
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chiet tach)) - thanh tinh cua dang ((cong tan) OR (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chiet tach)) - thanh tinh cua dang ((cong tan) OR (cong san)) toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chiet tach)) - thanh tinh cua dang ((cong tan) OR (cong san)) toan ban*".