Perhaps you should try some spelling variations:
hernandez angeles » hernandez angel, fernandez angel, hernandez andres
ediciones de » condiciones de
angeles raul » angel raul, angeles naval, angeles saura
como saber » como ser, homo faber, como deber
edicion de » medicion de
de vargas » de varias, de cargas, de varios

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: (( ediciones de como saber y plan ; ) OR ( edicion de vargas hernandez angeles raul ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( ediciones de como saber y plan ; ) or ( edicion de vargas hernandez angeles raul ; ))*.