Perhaps you should try some spelling variations:
schofield tendencias » social tendencias
tendencias generales » tendencias centrales, dependencias generales, tendencias temporales
generales python » generales por
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: schofield tendencias generales python computer (programs* or programa*)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: schofield tendencias generales python computer (programs* OR programa*).
• Adding a wildcard symbol may retrieve word variants: schofield tendencias generales python computer (programs* or programa*)*.