Perhaps you should try some spelling variations:
coleccion practica » coleccion didactica
practica de » practicas de
y academica » y academico, y academicos, _ academic
mexicana la » mexicana a, mexicano la, mexicana una
y academia » la academia, _ academic
la cirugia » en cirugia, de cirugia

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 academica) OR (y academia)) mexicana la cirugia.~.
• Adding a wildcard symbol may retrieve word variants: coleccion practica de ((y academica) or (y academia)) mexicana la cirugia.*.