Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
hieu manh » hieu nganh, dieu hanh, hien hanh
chinh sua » chinh su, chinh cua, chinh luan
dung cong » dung trong
sua dung » suat dung, su dung, qua dung
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (((chieu xanh) or (chiet tach)))) - hanh chinh sua dung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (((chieu xanh) OR (chiet tach)))) - hanh chinh sua dung cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (((chieu xanh) or (chiet tach)))) - hanh chinh sua dung cong dan van ban*.