Perhaps you should try some spelling variations:
programacion informatica » informacion informatica, programacion dinamica, programacion matematicas
planificacion con » planificacion cd, planificacion por, planificacion casos
planificacion un » planificacion ula, planificacion de, planificacion y
planificacion en » planificacion del, planificacion de, planificacion y

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((planificacion un) or (((planificacion con) OR (planificacion en)))) programacion informatica.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((planificacion un) OR (((planificacion con) OR (planificacion en)))) programacion informatica..
• The words AND, OR and NOT may confuse the search; try adding quotes: "((planificacion un) or (((planificacion con) OR (planificacion en)))) programacion informatica.".
• Adding a wildcard symbol may retrieve word variants: ((planificacion un) or (((planificacion con) OR (planificacion en)))) programacion informatica.*.