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

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

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