Perhaps you should try some spelling variations:
actividades publicas » actividade publica (Expand Search), actividad publica (Expand Search), autoridades publicas (Expand Search)
responsabilidad de » responsabilidad del (Expand Search), responsabilidad penal (Expand Search), responsabilidad civil (Expand Search)
publicas por » publica por (Expand Search), publicos por (Expand Search), publicas para (Expand Search)
por accion » por acciones (Expand Search)
y omision » y comision (Expand Search), la omision (Expand Search), de omision (Expand Search)
accion y » accion de (Expand Search)

Try widening your search to All Fields.

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

• Removing quotes may allow a broader search: Responsabilidad de las actividades públicas por acción y omisión.