Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
chu sach » cau sach, chuc hach, khau sach
thu sach » tu sach, thuat sach, thuoc sach
hanh han » hanh nhan, hanh phan, hanh san
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
han cua » hang cua, nhan cua, than cua

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 ((((chu sach) OR (thu sach))) OR (chieu sach)) - hanh han cua nhung cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chu sach) OR (thu sach))) or (chieu sach)) - hanh han cua nhung cong tan toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((((chu sach) OR (thu sach))) or (chieu sach)) - hanh han cua nhung cong tan toan cau*.