Perhaps you should try some spelling variations:
administracion local » administracion de (Expand Search)
de administracion » la administracion (Expand Search), las administraciones (Expand Search)
interventores y » interventores de (Expand Search), interventors i (Expand Search), intervenciones _ (Expand Search)
terceros de » tercero de (Expand Search), terceros en (Expand Search), tercera de (Expand Search)
y terceros » a terceros (Expand Search), de terceros (Expand Search), y tercer (Expand Search)