Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
chieu sach » chinh sach, chiet tach, chieu sang
hanh tang » hanh trang, anh tang, hanh mang
thanh van » thanh san, thanh toan, thanh phan
tang cua » mang cua, hang cua, tang luan
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, cong dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((thieu quang) or (chieu sach)) - hanh tang cua dang ((cong dan) OR (huong dan)) thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((thieu quang) OR (chieu sach)) - hanh tang cua dang ((cong dan) OR (huong dan)) thanh van.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((thieu quang) or (chieu sach)) - hanh tang cua dang ((cong dan) OR (huong dan)) thanh van".
• Adding a wildcard symbol may retrieve word variants: theo ((thieu quang) or (chieu sach)) - hanh tang cua dang ((cong dan) OR (huong dan)) thanh van*.