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

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

• Performing a fuzzy search may retrieve terms with similar spellings: coleccion practica de ((y academicas) or (y academia)) mexicana una cirugia.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: coleccion practica de ((y academicas) OR (y academia)) mexicana una cirugia..
• Adding a wildcard symbol may retrieve word variants: coleccion practica de ((y academicas) or (y academia)) mexicana una cirugia.*.