Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
thong cong » trong cong, tong cong, thong thong
hanh manh » hanh mang, lanh manh, hoang manh
cua thong » cua thuong, cua khong, cua tong
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
chuc » thuc, chu, chua

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

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