Perhaps you should try some spelling variations:
medicina del » medicina de
castro pedro » haro pedro, castro pablo
del castro » de castro, el castro, del mastro
edicion y » edicion de
poder del » poder de
pedro la » pedro a, pedro l, pedro da
y camps » y campos, y campus, y campo

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( edicion y camps ((poder del) OR (poder en)) papa ; ) or ( medicina del castro pedro la paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( edicion y camps ((poder del) OR (poder en)) papa ; ) OR ( medicina del castro pedro la paz ; ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( edicion y camps ((poder del) OR (poder en)) papa ; ) or ( medicina del castro pedro la paz ; ))*".