Perhaps you should try some spelling variations:
medicion de » medicina de
luisa perez » luis perez
cambios der » cambios de, cambios del, cambio de
yara luisa » lara luisa, maria luisa, marta luisa
edicion y » edicion de
y cambios » y cambio
fe yara » fe para, fe maria
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: (( medicion de fe yara luisa perez ; ) or ( edicion y cambios der ((la pau) or (las pau)) ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( medicion de fe yara luisa perez ; ) OR ( edicion y cambios der ((la pau) OR (las pau)) ; )).
• Adding a wildcard symbol may retrieve word variants: (( medicion de fe yara luisa perez ; ) or ( edicion y cambios der ((la pau) or (las pau)) ; ))*.