Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, than kinh
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, dien sach, te sach
hanh tinh » hanh trinh, nhanh tinh, canh tinh
cua nhung » va nhung
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 tinh) OR (thanh tinh)) cua nhung cong tac ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - ((hanh tinh) OR (thanh tinh)) cua nhung cong tac ((toan cau) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - ((hanh tinh) OR (thanh tinh)) cua nhung cong tac ((toan cau) or (toan ban))*.