Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » hanh trinh, lanh tranh, nhanh thanh
hanh trang » thanh trung, hanh trinh, minh trang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - ((((hanh tranh) OR (canh tranh))) or (hanh trang)) cua nhung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((((hanh tranh) OR (canh tranh))) OR (hanh trang)) cua nhung cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((((hanh tranh) OR (canh tranh))) or (hanh trang)) cua nhung cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((((hanh tranh) OR (canh tranh))) or (hanh trang)) cua nhung cong dan than cau*.