Perhaps you should try some spelling variations:
coleccion practica » coleccion didactica
un academico » ano academico, lo academico, y academico
mexicana una » mexicana en, mexicana de, mexico una
practica de » practicas de
mexicana la » mexicano la, mexicana de, mexicana en
mexicana a » mexicana _, mexicana y, mexicana 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 un academico ((mexicana la) or (((mexicana a) OR (mexicana una)))) cirugia.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: coleccion practica de un academico ((mexicana la) OR (((mexicana a) OR (mexicana una)))) cirugia..
• The words AND, OR and NOT may confuse the search; try adding quotes: "coleccion practica de un academico ((mexicana la) or (((mexicana a) OR (mexicana una)))) cirugia.".
• Adding a wildcard symbol may retrieve word variants: coleccion practica de un academico ((mexicana la) or (((mexicana a) OR (mexicana una)))) cirugia.*.