Perhaps you should try some spelling variations:
"ciencias matematicas como programs." » "benditas matematicas como programs.", "comicas matematicas como programs.", "competencias matematicas como programs.", "ciencias matematica como programs.", "ciencias matematicas con programs.", "ciencias matematica tomo programs.", "ciencias matematicas como programa.", "ciencias matematicas como programar.", "ciencias matematicas campo programa."
"basicas mathematics computer programmers." » "basicas mathematics computer programs.", "basicas mathematics computer programming.", "basicas mathematics computers programming.", "basicas matematicas computer programmers.", "business mathematics computer programmers."

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