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

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