Perhaps you should try some spelling variations:
funcion administrativa » gestion administrativa
ciclo economico » ciclos economicos, socio economico, modelo economico
censo economico » penal economico, tecnico economico, riesgo economico
cali economico » cambio economico, campo economico, lo economico
caso economico » campo economico, costo economico, cambio economico

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

• If you are trying to use Boolean operators, they must be ALL CAPS: "((\"funcion administrativa ((cali economico) OR (ciclo economico)) del derecho\") or (\"funcion administrativa ((caso economico) OR (censo economico)) del derecho\"))*".
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((\\"funcion administrativa ((cali economico) OR (ciclo economico)) del derecho\\") or (\\"funcion administrativa ((caso economico) or (censo economico)) del derecho\\"))*\"".
• Removing quotes may allow a broader search: (( funcion administrativa ((cali economico) OR (ciclo economico)) del derecho ) or ( funcion administrativa ((caso economico) or (censo economico)) del derecho ))*.