Perhaps you should try some spelling variations:
medicina del » medicina de
medicion y » mediacion y, edicion y, medicion de
poder del » poder de, poder en
del perez » bel perez, real perez, abel perez
y campus » y campos, y camps, y camus
poder el » poder en, poder de
pedro m » pedro a, pedro de
m paz » ma paz, y 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 el) OR (poder del)) pan ; ) or ( medicina del perez pedro m paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( medicion y campus ((poder el) OR (poder del)) pan ; ) OR ( medicina del perez pedro m paz ; ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( medicion y campus ((poder el) OR (poder del)) pan ; ) or ( medicina del perez pedro m paz ; ))*".