Perhaps you should try some spelling variations:
coleccion practica » coleccion didactica
academico mexicana » academia mexicana, academicos mexico
practica de » practicas de
y academico » y academicos, y academica, lo academico
la cirugia » de 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 academico mexicana ((la cirugia) OR (en cirugia)).~".
• Adding a wildcard symbol may retrieve word variants: coleccion practica de y academico mexicana ((la cirugia) OR (en cirugia)).*.