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 hang » thanh hang, hang hang, hanh han
cua khong » hua khong, cua phuong, cua thuong
hang cua » mang cua, hang ca, huong cua
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 hang 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 hang cua khong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) or (chua xang)) - hanh hang cua khong cong dan toan cao*.