Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thieu anh » thien anh, thien danh, thieu nhi
chinh van » chinh va, chinh ban, chinh can
van phong » van dong, hai phong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu anh) OR (chieu xanh)) - hanh chinh van phong ((cong dan) or (cong san)) khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (chieu xanh)) - hanh chinh van phong ((cong dan) OR (cong san)) khan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu anh) OR (chieu xanh)) - hanh chinh van phong ((cong dan) or (cong san)) khan cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) OR (chieu xanh)) - hanh chinh van phong ((cong dan) or (cong san)) khan cap*.