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