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