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 units programming." » "comicas matematicas units programming.", "benditas matematicas units programming.", "fisica matematica units programming.", "basicas matematicas judith programming.", "basicas matematicas una programming.", "basicas matematicas un 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 units programming."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("logica matematica computer programming.") OR ("basicas matematicas units programming.")).
• Removing quotes may allow a broader search: (( logica matematica computer programming. ) or ( basicas matematicas units programming. )).
• Adding a wildcard symbol may retrieve word variants: (("logica matematica computer programming.") or ("basicas matematicas units programming."))*.