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

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

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