Perhaps you should try some spelling variations:
"logica mathematics computer programming." » "logica mathematics computer programs.", "logica mathematics computer program.", "logica matematica computer programming.", "logico matematico computer programming.", "logico matematica computer programming."
"basicas matematicas control programming." » "comicas matematicas control programming.", "benditas matematicas control programming.", "fisica matematica control programming.", "basicas matematicas con programming.", "basicas matematicas como programming.", "basicas matematicas entre programming."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("logica mathematics computer programming.") OR ("basicas matematicas control programming."))~.
• Removing quotes may allow a broader search: (( logica mathematics computer programming. ) or ( basicas matematicas control programming. ))~.
• Adding a wildcard symbol may retrieve word variants: (("logica mathematics computer programming.") or ("basicas matematicas control programming."))*.