Perhaps you should try some spelling variations:
tieu sach » chieu sach, dien sach, te sach
hanh manh » hanh mang, lanh manh, hoang manh
manh cua » doanh cua, ban cua
cua dong » chua dong, cua cong, cua dang
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh manh cua dong ((cong san) OR (cong tac)) ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - hanh manh cua dong ((cong san) OR (cong tac)) ((toan cau) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh manh cua dong ((cong san) OR (cong tac)) ((toan cau) or (toan ban))*.