Perhaps you should try some spelling variations:
administrativas aspectos » administrativos aspectos, administrativa aspectos, administrativo aspectos
gestion administrative » gestion administrativa, gestion administrativo, gestao administrativa
administrative appeal » administrative area, administrativa actual, administrativa area
appeal economica » areas economica, area economica, capital economico
economica en » economica del, economica de
en derechos » en derecho

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( actividades administrativas aspectos economicos ((de derechos) OR (los derechos)) ) or ( gestion administrative appeal economica en derechos ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( actividades administrativas aspectos economicos ((de derechos) OR (los derechos)) ) OR ( gestion administrative appeal economica en derechos )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( actividades administrativas aspectos economicos ((de derechos) OR (los derechos)) ) or ( gestion administrative appeal economica en derechos ))".
• Adding a wildcard symbol may retrieve word variants: (( actividades administrativas aspectos economicos ((de derechos) OR (los derechos)) ) or ( gestion administrative appeal economica en derechos ))*.