Perhaps you should try some spelling variations:
chiet tach » chieu sach
khong cong » thong cong, khong cang, chong cong
chua xang » chua nang, chuc nang, chu bang
hanh tang » hanh trang, anh tang, hanh mang
cua khong » hua khong, cua phuong, cua thuong
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 ((chiet tach) or (chua xang)) - hanh tang cua khong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chiet tach) OR (chua xang)) - hanh tang cua khong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) or (chua xang)) - hanh tang cua khong cong dan toan cao*.