Perhaps you should try some spelling variations:
medicion de » medicina de
luisa perez » luis perez
edicion y » edicion de
fe maria » de maria, e maria, se maria
y cambio » el cambio, de cambio
de lacan » de lara, de latin
de laan » der laan, de lagran, de lalana
pau » paul

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( medicion de fe maria luisa perez ; ) or ( edicion y cambio ((de laan) OR (de lacan)) pau ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( medicion de fe maria luisa perez ; ) OR ( edicion y cambio ((de laan) OR (de lacan)) pau ; )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( medicion de fe maria luisa perez ; ) or ( edicion y cambio ((de laan) OR (de lacan)) pau ; ))".
• Adding a wildcard symbol may retrieve word variants: (( medicion de fe maria luisa perez ; ) or ( edicion y cambio ((de laan) OR (de lacan)) pau ; ))*.