Perhaps you should try some spelling variations:
camilo perez » castillo perez, calvo perez, castro perez
campus perez » campos perez, carlos perez, campus ele
edicion del » medicion del, edicion de, medicion de
campo perez » campos perez, crespo perez, amparo perez
campus per » campus de
la pau » la paz

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

• Performing a fuzzy search may retrieve terms with similar spellings: edicion del ((campus per) or (((((campus perez) OR (camilo perez))) or (campo perez)))) la pau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: edicion del ((campus per) OR (((((campus perez) OR (camilo perez))) OR (campo perez)))) la pau ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "edicion del ((campus per) or (((((campus perez) OR (camilo perez))) or (campo perez)))) la pau ;*".