Perhaps you should try some spelling variations:
chong cong » cong cong, thong cong, cuong cong
chieu sang » chieu sach, chieu xanh, hieu lang
chinh sua » chinh su, chinh luan, hinh su
chinh cua » chinh ca, hinh cua, chinh luan
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu sang - hanh ((chinh sua) or (chinh cua)) chong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh ((chinh sua) OR (chinh cua)) chong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh ((chinh sua) or (chinh cua)) chong cong dan toan cao*.