Perhaps you should try some spelling variations:
academic » academica, academicas, academicos
academico » academicao, academicaso, academicoso
administration » administrativos, administrativa, administrativas
administraciones » administradores, administrativas, administrativos
academia » academica, academicas
administrativo » administrativas

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( academic ((administration OR administraciones) or administracion) ) or ( (academico or academia) administrativo ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( academic ((administration OR administraciones) OR administracion) ) OR ( (academico OR academia) administrativo )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( academic ((administration OR administraciones) or administracion) ) or ( (academico or academia) administrativo ))".
• Adding a wildcard symbol may retrieve word variants: (( academic ((administration OR administraciones) or administracion) ) or ( (academico or academia) administrativo ))*.