Perhaps you should try some spelling variations:
khi thanh » thi thanh, chi thanh, khe thanh
chinh cua » chinh ca, hinh cua, chinh luan
chinh sua » chinh su, chinh luan, hinh su
dang cong » dung cong
cong san » cong tac
chat cau » chat cam, chat cao, chat va
chat bao » chat ban, thuat bao, nhat ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi thanh - hanh ((chinh cua) or (chinh sua)) dang cong san ((chat cau) or (chat bao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi thanh - hanh ((chinh cua) OR (chinh sua)) dang cong san ((chat cau) OR (chat bao)).
• Adding a wildcard symbol may retrieve word variants: doi khi thanh - hanh ((chinh cua) or (chinh sua)) dang cong san ((chat cau) or (chat bao))*.