Perhaps you should try some spelling variations:
coleccion practica » coleccion didactica
la academicos » los academicos, lo academico, y academicos
a academicos » y academicos, de academicos, en academicos
practica de » practicas de
de cirugia » en cirugia, la cirugia
mexico de » mexicano de

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