Perhaps you should try some spelling variations:
spanish bibliography » spain bibliography, spanish biography, spanish historiography
bibliography python » bibliography union
python computer » methods computer
social spanish » social spain
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: social spanish bibliography python computer (programs or programas)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: social spanish bibliography python computer (programs OR programas).
• Adding a wildcard symbol may retrieve word variants: social spanish bibliography python computer (programs or programas)*.