Perhaps you should try some spelling variations:
coleccion practica » coleccion didactica
y academicas » y academica, y academia, y academico
y academicos » los academicos, y academia, lo academico
practica de » practicas de
de cirugia » en cirugia, la cirugia
para de » parra de, parada de, para dar

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