Perhaps you should try some spelling variations:
crespo perez » ernesto perez, cueto perez, crespo pedro
campus poder » campus de, cambio poder
medicion y » mediacion y, edicion y, medicion de
campus per » campus de
de crespo » de cristo, a crespo, de cresta
perez l » perez la, perez al, perez a
l paz » la paz, y paz, m paz

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( medicion y ((campus poder) OR (campus per)) el pan ; ) or ( medicina de crespo perez l paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( medicion y ((campus poder) OR (campus per)) el pan ; ) OR ( medicina de crespo perez l paz ; ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( medicion y ((campus poder) OR (campus per)) el pan ; ) or ( medicina de crespo perez l paz ; ))*".