Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu lang » chieu sang, hieu quang, nhieu tang
chinh cua » chinh ca, chinh sua, hinh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) OR (hieu lang)) - hanh chinh cua dung cong dan ((toan cao) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (hieu lang)) - hanh chinh cua dung cong dan ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (hieu lang)) - hanh chinh cua dung cong dan ((toan cao) OR (toan tap))*.