Perhaps you should try some spelling variations:
"ciencias matematicas computer programa." » "benditas matematicas computer programa.", "comicas matematicas computer programa.", "competencias matematicas computer programa.", "ciencias mathematics computer programa.", "ciencias matematicas como programa.", "ciencias matematicas comics programa.", "ciencias matematicas computer programs.", "ciencias matematicas computer program.", "ciencias matematicas computer programming."
"basicas mathematics logic programming." » "basicas matematicas logic programming.", "business mathematics logic programming.", "basicas matematica logica programming."

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 computer programa.") or ("basicas mathematics logic programming."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ciencias matematicas computer programa.") OR ("basicas mathematics logic programming."))*.
• Removing quotes may allow a broader search: (( ciencias matematicas computer programa. ) or ( basicas mathematics logic programming. ))*.