Perhaps you should try some spelling variations:
"ciencias mathematics computer programming." » "ciencias matematicas computer programming.", "sciences mathematics computer programming.", "financial mathematics computer programming.", "ciencias mathematics computer programs.", "ciencias mathematics computer program."
"basicas matematicas do programa." » "comicas matematicas do programa.", "benditas matematicas do programa.", "fisica matematica do programa.", "basicas matematicas de programa.", "basicas matematicas con programa.", "basicas matematicas del programa.", "basicas matematicas o programa.", "basicas matematicas dos programas."

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