Perhaps you should try some spelling variations:
"la matematica computer programmers." » "la matematica computer programs.", "la matematica computer programming.", "la matematica computers programming.", "las matematicas computer programmers.", "de matematicas computer programmers."
"basicas mathematics computer programa." » "basicas matematicas computer programa.", "business mathematics computer programa.", "basicas mathematics computer programs.", "basicas mathematics computer program.", "basicas mathematics computer programming."

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

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