Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » dieu hanh, hien hanh, hieu van
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
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 (hieu nganh))) or (chieu xanh)) - hanh chinh cua dung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (hieu nganh))) OR (chieu xanh)) - hanh chinh cua dung cong dan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hieu manh) OR (hieu nganh))) or (chieu xanh)) - hanh chinh cua dung cong dan van ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) OR (hieu nganh))) or (chieu xanh)) - hanh chinh cua dung cong dan van ban*.