Perhaps you should try some spelling variations:
coleccion practicas » coleccion practica, coleccion didactica, coleccion actas
la academica » la academia, y academica, _ academica
lo academico » los academicos, ano academico, del academico
mexicana la » mexicano la, mexicana una, mexicana de
mexicana a » mexicana _, mexicana y, mexicana una

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: coleccion practicas de ((la academica) OR (lo academico)) ((mexicana la) or (mexicana a)) cirugia.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: coleccion practicas de ((la academica) OR (lo academico)) ((mexicana la) OR (mexicana a)) cirugia..
• The words AND, OR and NOT may confuse the search; try adding quotes: "coleccion practicas de ((la academica) OR (lo academico)) ((mexicana la) or (mexicana a)) cirugia.".
• Adding a wildcard symbol may retrieve word variants: coleccion practicas de ((la academica) OR (lo academico)) ((mexicana la) or (mexicana a)) cirugia.*.