Perhaps you should try some spelling variations:
mediciones de » ediciones de, ediciones del, mediciones y
medicion de » medicina de
etica perez » leticia perez, chica perez, fica perez
perez alan » perez galan, perez adan, perez alaniz
de etica » la etica
alan p » alan d, alan n, alan y
de loa » de loja, de log, de lorca
textos » texto

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( medicion de etica perez alan p ; ) OR ( mediciones de textos ((de loa) OR (de los)) pau ; ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( medicion de etica perez alan p ; ) or ( mediciones de textos ((de loa) OR (de los)) pau ; ))~".
• Adding a wildcard symbol may retrieve word variants: (( medicion de etica perez alan p ; ) or ( mediciones de textos ((de loa) OR (de los)) pau ; ))*.