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

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

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