Perhaps you should try some spelling variations:
coleccion practica » coleccion didactica
los academicos » textos academicos
practica de » practicas de
y academico » y academicos, y academica, lo academico
de cirugia » en cirugia, la cirugia
e cirugia » en cirugia, y cirugia, a 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 ((y academico) or (los academicos)) excmo ((e cirugia) OR (de cirugia)).~.
• If you are trying to use Boolean operators, they must be ALL CAPS: coleccion practica de ((y academico) OR (los academicos)) excmo ((e cirugia) OR (de cirugia)).*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "coleccion practica de ((y academico) or (los academicos)) excmo ((e cirugia) OR (de cirugia)).*".