Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
phong cong » phong chong, thong cong, chong cong
thien anh » thien danh, tien anh, thien chanh
chinh van » chinh va, chinh ban, chinh can
van phong » van dong, hai phong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 nhi) or (((thien anh) OR (thien thanh)))) - hanh chinh van phong cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu nhi) OR (((thien anh) OR (thien thanh)))) - hanh chinh van phong cong dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu nhi) or (((thien anh) OR (thien thanh)))) - hanh chinh van phong cong dan than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu nhi) or (((thien anh) OR (thien thanh)))) - hanh chinh van phong cong dan than cap*.