Perhaps you should try some spelling variations:
campos per » campus per, campos perez, campos super
edicion y » edicion de
de crespo » de cristo, a crespo, de cresta
y campos » y cambios, de campos
pedro ma » pedro m, pedro de, pedro el
pedro a » pedro de
al pan » al plan, el pan, al par

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 campos per al pan ; ) or ( medicina de crespo ((pedro ma) OR (pedro a)) paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( edicion y campos per al pan ; ) OR ( medicina de crespo ((pedro ma) OR (pedro a)) paz ; ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( edicion y campos per al pan ; ) or ( medicina de crespo ((pedro ma) OR (pedro a)) paz ; ))*".