Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, hanh trinh, minh trang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
cong van » cong vang, cong san, song van
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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: doi chieu sach - ((hanh trang) OR (canh tranh)) cua nhung cong van ((than cau) OR (than cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - ((hanh trang) or (canh tranh)) cua nhung cong van ((than cau) OR (than cap))~".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((hanh trang) or (canh tranh)) cua nhung cong van ((than cau) OR (than cap))*.