Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
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.

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