Perhaps you should try some spelling variations:
"business mathematical computer programs." » "business mathematics computer programs.", "business mathematical computer programas."
"business matematicas con programa." » "business mathematics con programa.", "basicas matematicas con programa.", "funciones matematicas con programa.", "business matematicas en programa.", "business matematica en programa.", "business matematicas y programa.", "business matematicas como programa.", "business matematicas un programa.", "business matematicas do programa."

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: (("business mathematical computer programs.") or ("business matematicas con programa."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("business mathematical computer programs.") OR ("business matematicas con programa.")).
• Removing quotes may allow a broader search: (( business mathematical computer programs. ) or ( business matematicas con programa. )).
• Adding a wildcard symbol may retrieve word variants: (("business mathematical computer programs.") or ("business matematicas con programa."))*.