Perhaps you should try some spelling variations:
"business mathematics computer programmers." » "business mathematics computer programs.", "business mathematics computer programming.", "business mathematics computers programming.", "business matematicas computer programmers."
"comicas matematica como programa." » "comicas matematicas como programa.", "logica matematica como programa.", "basicas matematicas como programa.", "comicas matematicas con programa.", "comicas matematica como problema."

Try widening your search to All Fields.

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

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