Perhaps you should try some spelling variations:
funcion administrativa » gestion administrativa
ambito economico » impacto economico, aspecto economico, direito economico
tamano economico » tratado economico, amparo economico, cambio economico
campo economico » cambio economico, amparo economico, ciclo economico
derecho » derechos

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

• Performing a fuzzy search may retrieve terms with similar spellings: funcion administrativa ((campo economico) or (((ambito economico) or (tamano economico)))) del derecho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: funcion administrativa ((campo economico) OR (((ambito economico) OR (tamano economico)))) del derecho.
• Adding a wildcard symbol may retrieve word variants: funcion administrativa ((campo economico) or (((ambito economico) or (tamano economico)))) del derecho*.