Perhaps you should try some spelling variations:
"logica matematica computer programming." » "logica matematica computer programs.", "logica matematica computer program.", "logica mathematics computer programming.", "fisica matematica computer programming.", "la 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."

Try widening your search to All Fields.

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

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