Perhaps you should try some spelling variations:
"science mathematical computer programa." » "science mathematics computer programa.", "science mathematical computer programs.", "science mathematical computer program.", "science mathematical computer programming."
"basicas matematicas logic programming." » "comicas matematicas logic programming.", "benditas matematicas logic programming.", "fisica matematica logic programming.", "basicas matematica logica programming.", "basicas mathematics logic programming.", "basicas matematicas comics programming."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("science mathematical computer programa.") or ("basicas matematicas logic programming."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("science mathematical computer programa.") OR ("basicas matematicas logic programming.")).
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• Adding a wildcard symbol may retrieve word variants: (("science mathematical computer programa.") or ("basicas matematicas logic programming."))*.