Perhaps you should try some spelling variations:
gastos administrativos » actos administrativos, aspectos administrativos, sistemas administrativos
altos administrativos » actos administrativos, los administrativos, actos dministrativos
areas economicas » areas economica, area economica, zonas economicas
fe derecho » de derecho, del derecho, al derecho
e derecho » de derecho, 5e derecho, 1 derecho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((altos administrativos) or (gastos administrativos)) areas economicas ((e derecho) OR (fe derecho))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((altos administrativos) OR (gastos administrativos)) areas economicas ((e derecho) OR (fe derecho)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((altos administrativos) or (gastos administrativos)) areas economicas ((e derecho) OR (fe derecho))".
• Adding a wildcard symbol may retrieve word variants: ((altos administrativos) or (gastos administrativos)) areas economicas ((e derecho) OR (fe derecho))*.

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