Perhaps you should try some spelling variations:
coleccion practica » coleccion didactica
academica mexicana » academia mexicana, academica diana, economica mexicana
practica de » practicas de
y academica » y academia, y academico, y academicos
de cirugia » en cirugia
la cirugia » en cirugia
de y » de _, de a, de 3

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "coleccion practica de y academica mexicana ((de cirugia) OR (la cirugia)).~".
• Adding a wildcard symbol may retrieve word variants: coleccion practica de y academica mexicana ((de cirugia) OR (la cirugia)).*.