Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh manh » hanh mang, lanh manh, hoang manh
cong cong » cong dong, trong cong, dung cong
chu sach » cau sach, thu sach, chuc hach
manh cua » doanh cua, ban cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sach) or (chieu sach)) - hanh manh cua cong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sach) OR (chieu sach)) - hanh manh cua cong cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chu sach) or (chieu sach)) - hanh manh cua cong cong dan toan cau*.