Perhaps you should try some spelling variations:
creencias pedagogicas » ciencias pedagogicas, competencias pedagogicas, residencias pedagogicas
pedagogicas python » pedagogicas con
otras creencias » otras ciencias, las creencias, ideas creencias
python computer » methods computer
programs* » programas*

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

• Performing a fuzzy search may retrieve terms with similar spellings: otras creencias pedagogicas python computer (programs* OR programa*)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "otras creencias pedagogicas python computer (programs* OR programa*)".
• Adding a wildcard symbol may retrieve word variants: otras creencias pedagogicas python computer (programs* OR programa*)*.