Perhaps you should try some spelling variations:
coleccion practicas » coleccion practica, coleccion didactica, coleccion actas
mexicana una » mexicana en, mexicana a, mexicana de
y academico » y academicos, y academica, lo academico
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 practicas de ((y academia) or (y academico)) mexicana una cirugia.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: coleccion practicas de ((y academia) OR (y academico)) mexicana una cirugia..
• Adding a wildcard symbol may retrieve word variants: coleccion practicas de ((y academia) or (y academico)) mexicana una cirugia.*.