Perhaps you should try some spelling variations:
controles administrativos » contratos administrativos, centros administrativos, costos administrativos
control administrativo » contratos administrativos, acto administrativo, contencioso administrativo
para economizar » para economia, para descolonizar, parra economista
economizar del » economica del, economia del, economicas del
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: ((controles administrativos) or (control administrativo)) para economizar del derecho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((controles administrativos) OR (control administrativo)) para economizar del derecho.
• Adding a wildcard symbol may retrieve word variants: ((controles administrativos) or (control administrativo)) para economizar del derecho*.