Perhaps you should try some spelling variations:
cronicas generales » cronica general, teorias generales, cronicas mineras
generales python » generales por
social cronicas » social critica, local cronica, sexual cronicas
python computer » methods computer
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 cronicas generales python computer (programs or programas)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: social cronicas generales python computer (programs OR programas).
• Adding a wildcard symbol may retrieve word variants: social cronicas generales python computer (programs or programas)*.