Perhaps you should try some spelling variations:
planificacion didactica » planeacion didactica, planificacion educativa, planificacion politica
aplicacion practica » coleccion practica
didactica medical » didactica musical, didactica ludica, didactica mediante
practica mexico » practical mexico, practice mexico, practicas medico

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( planificacion didactica medical. ) or ( aplicacion practica mexico. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( planificacion didactica medical. ) OR ( aplicacion practica mexico. )).
• Adding a wildcard symbol may retrieve word variants: (( planificacion didactica medical. ) or ( aplicacion practica mexico. ))*.