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

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

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