Perhaps you should try some spelling variations:
"ciencias mathematics logic programming." » "ciencias matematicas logic programming.", "sciences mathematics logic programming.", "financial mathematics logic programming.", "ciencias matematica logica programming."
"basicas matematicas computer programas." » "basicas mathematics computer programas.", "basicas matematicas como programas.", "basicas matematicas comics programas.", "comicas matematicas computer programas.", "benditas matematicas computer programas.", "fisica matematica computer programas.", "basicas matematicas computer programs.", "basicas matematicas computer program.", "basicas matematicas computer programmers."

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("ciencias mathematics logic programming.") or ("basicas matematicas computer programas."))~.
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