Perhaps you should try some spelling variations:
"basicas matematicas computer programming." » "basicas mathematics computer programming.", "basicas matematicas como programming.", "basicas matematicas comics programming.", "basicas matematicas computer programs.", "basicas matematicas computer program.", "comicas matematicas computer programming.", "benditas matematicas computer programming.", "fisica matematica computer programming."
"logica matematica computer programa." » "logica mathematics computer programa.", "fisica matematica computer programa.", "la matematica computer programa.", "logica matematica computer programs.", "logica matematica computer program.", "logica matematica computer programmers."

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