Perhaps you should try some spelling variations:
creencias pedagogicas » ciencias pedagogicas, competencias pedagogicas, residencias pedagogicas
pedagogicas python » pedagogicas con
python computer » methods computer
sin creencias » y creencias, las creencias, de creencias
programs » programa

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

• Performing a fuzzy search may retrieve terms with similar spellings: sin creencias pedagogicas python computer (programs or programas)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: sin creencias pedagogicas python computer (programs OR programas).
• Adding a wildcard symbol may retrieve word variants: sin creencias pedagogicas python computer (programs or programas)*.