Perhaps you should try some spelling variations:
defensores del » defensor del (Expand Search)
de defensores » los defensores (Expand Search), del defensor (Expand Search)
xxi jornadas » xi jornadas (Expand Search), xvi jornadas (Expand Search), xxvii jornadas (Expand Search)
xii jornadas » ii jornadas (Expand Search)
las jornadas » la jornada (Expand Search)
coordinacion » coordinador (Expand Search)

Try widening your search to All Fields.

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

• Removing quotes may allow a broader search: ((xxi jornadas) OR (((xii jornadas) OR (las jornadas)))) de coordinacion de defensores del pueblo.