Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hieu manh » hieu nganh, dieu hanh, hien hanh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
mang cua » manh cua, dung 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 ((((hieu manh) OR (chieu xanh))) or (chieu sach)) - hanh mang cua nhung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((hieu manh) OR (chieu xanh))) OR (chieu sach)) - hanh mang cua nhung cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((hieu manh) OR (chieu xanh))) or (chieu sach)) - hanh mang cua nhung cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((((hieu manh) OR (chieu xanh))) or (chieu sach)) - hanh mang cua nhung cong dan toan cau*.