Perhaps you should try some spelling variations:
academica mexicana » academia mexicana, academica diana, economica mexicana
coleccion practica » coleccion didactica
mexicana y » mexicana _, mexicana de, mexicana en
y cirugia » en cirugia, de cirugia, la cirugia
de y » fe y, de j, de 4
de a » de la

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) OR (de a))) or (((de 3) or (de _)))) academica mexicana y cirugia.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: coleccion practica ((((de y) OR (de a))) OR (((de 3) OR (de _)))) academica mexicana y cirugia..
• The words AND, OR and NOT may confuse the search; try adding quotes: "coleccion practica ((((de y) OR (de a))) or (((de 3) or (de _)))) academica mexicana y cirugia.".
• Adding a wildcard symbol may retrieve word variants: coleccion practica ((((de y) OR (de a))) or (((de 3) or (de _)))) academica mexicana y cirugia.*.