Perhaps you should try some spelling variations:
"la matematica computer programa." » "la mathematics computer programa.", "la matematica computer programs.", "la matematica computer program.", "la matematica computer programming.", "las matematicas computer programa.", "de matematicas computer programa."
"basicas matematica logic programming." » "basicas matematicas logic programming.", "fisica matematica logic programming.", "comicas matematicas logic programming.", "basicas matematica logica programming.", "basicas mathematics logic programming.", "basicas matematica los programming."

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

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