Perhaps you should try some spelling variations:
palacio series » palacio perez, placing series
del palacio » del paradiso
loyola del » loyola de, loyola die
_ palacios » _ palaces, _ palais, los palacios
r palacio » _ palacio, el palacio, a palacios

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: (( loyola del palacio series on european energy policy ) OR ( loyola ((r palacio) OR (_ palacios)) series on european energy policy )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( loyola del palacio series on european energy policy ) or ( loyola ((r palacio) OR (_ palacios)) series on european energy policy ))".
• Adding a wildcard symbol may retrieve word variants: (( loyola del palacio series on european energy policy ) or ( loyola ((r palacio) OR (_ palacios)) series on european energy policy ))*.