Perhaps you should try some spelling variations:
"basicas mathematics computer programming." » "basicas mathematics computer programs.", "basicas mathematics computer program.", "basicas matematicas computer programming.", "business mathematics computer programming."
"exactas matematicas como programmers." » "exactas matematica como programmers.", "exactas matematicas con programmers.", "exactas matematica tomo programmers.", "exactas matematicas como programar.", "exactas matematicas como programa.", "exactas matematicas 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: (("basicas mathematics computer programming.") or ("exactas matematicas como programmers."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("basicas mathematics computer programming.") OR ("exactas matematicas como programmers.")).
• Removing quotes may allow a broader search: (( basicas mathematics computer programming. ) or ( exactas matematicas como programmers. )).
• Adding a wildcard symbol may retrieve word variants: (("basicas mathematics computer programming.") or ("exactas matematicas como programmers."))*.