Perhaps you should try some spelling variations:
academicos mexicana » academia mexicana, academicos espana
coleccion practica » coleccion didactica
academicos mexico » economicos mexico, academico excmo, academico leido
practica de » practicas de
la cirugia » en cirugia, de cirugia
de y » de _, de a, de 3

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 ((academicos mexicana) OR (academicos mexico)) la cirugia.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "coleccion practica de y ((academicos mexicana) OR (academicos mexico)) la cirugia.".
• Adding a wildcard symbol may retrieve word variants: coleccion practica de y ((academicos mexicana) OR (academicos mexico)) la cirugia.*.