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

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 ((la academica) or (y academico)) mexicana y cirugia.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: coleccion practica de ((la academica) OR (y academico)) mexicana y cirugia..
• Adding a wildcard symbol may retrieve word variants: coleccion practica de ((la academica) or (y academico)) mexicana y cirugia.*.