Perhaps you should try some spelling variations:
academicos mexicano » academicos mexico, academia mexicana
coleccion practica » coleccion didactica
los academicos » textos academicos
practica de » practicas de
de cirugia » en cirugia
la cirugia » en 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 los academicos mexicano ((de cirugia) OR (la cirugia)).~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "coleccion practica de los academicos mexicano ((de cirugia) OR (la cirugia)).".
• Adding a wildcard symbol may retrieve word variants: coleccion practica de los academicos mexicano ((de cirugia) OR (la cirugia)).*.