Perhaps you should try some spelling variations:
coleccion practica » coleccion didactica
y academicas » y academicos, y academica, y academia
practica de » practicas de
d academico » y academico, del academico, de academicos
de cirugia » en cirugia, la cirugia
para de » parra de, parada de, para dar

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