Perhaps you should try some spelling variations:
condicion de » condiciones de
castro pena » castro elena, castro ana, castro en
ediciones c » ediciones jc, ediciones con, ediciones uoc
pena luis » mena luis
romero el » romero la
c rubio » d rubio, e rubio, l rubio
pan » plan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( condicion de castro pena luis diaz ; ) or ( ediciones c rubio romero el pan ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( condicion de castro pena luis diaz ; ) OR ( ediciones c rubio romero el pan ; )).
• Adding a wildcard symbol may retrieve word variants: (( condicion de castro pena luis diaz ; ) or ( ediciones c rubio romero el pan ; ))*.