Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
chong cong » cong cong, thong cong, cuong cong
chua nang » chuc nang, chua xang, kha nang
hanh tang » hanh trang, anh tang, hanh mang
cua chong » cua cong, cua chung, cua khong
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 ((chua nang) or (((chieu xanh) OR (chieu sach)))) - hanh tang cua chong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua nang) OR (((chieu xanh) OR (chieu sach)))) - hanh tang cua chong cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua nang) or (((chieu xanh) OR (chieu sach)))) - hanh tang cua chong cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chua nang) or (((chieu xanh) OR (chieu sach)))) - hanh tang cua chong cong dan toan cao*.