Perhaps you should try some spelling variations:
luong cong » dung cong, trong cong, cong cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban
chat » nhat, phat

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh tinh chat luong cong dan ((toan cao) OR (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tinh chat luong cong dan ((toan cao) OR (toan tap))*.