Perhaps you should try some spelling variations:
coleccion practica » coleccion didactica
academico de » academica de, academia de, academico en
practica de » practicas de
d academico » y academico, del academico, de academicos
la cirugia » en cirugia
de cirugia » en cirugia
de d » de di, de _, de a

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 d academico de ((la cirugia) OR (de cirugia)).~.
• Adding a wildcard symbol may retrieve word variants: coleccion practica de d academico de ((la cirugia) or (de cirugia)).*.