Perhaps you should try some spelling variations:
coleccion practica » coleccion didactica
academica durante » academico docente, economica durante, america durante
lo academica » lo academico, y academica, _ academica
practica de » practicas de
de cirugia » en cirugia, la cirugia
a cirugia » la cirugia, y cirugia, en cirugia
de lo » de la

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: coleccion practica de lo academica durante ((de cirugia) OR (a cirugia)).~.
• Adding a wildcard symbol may retrieve word variants: coleccion practica de lo academica durante ((de cirugia) or (a cirugia)).*.