Perhaps you should try some spelling variations:
sanciones administrativas » actos administrativos, manuales administrativos
funcion administrativa » gestion administrativa
administrativas fraude » administrativas de, administrativa fase, administrativa frente
administrativa cambio » administrativa como, administrativa caso, administrativa cali

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 cambio ((economico del) OR (economico de)) derecho ) or ( sanciones administrativas fraude ((economico del) OR (economico de)) derecho ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( funcion administrativa cambio ((economico del) OR (economico de)) derecho ) OR ( sanciones administrativas fraude ((economico del) OR (economico de)) derecho )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( funcion administrativa cambio ((economico del) OR (economico de)) derecho ) or ( sanciones administrativas fraude ((economico del) OR (economico de)) derecho ))".
• Adding a wildcard symbol may retrieve word variants: (( funcion administrativa cambio ((economico del) OR (economico de)) derecho ) or ( sanciones administrativas fraude ((economico del) OR (economico de)) derecho ))*.