Perhaps you should try some spelling variations:
"basicas matematicas computer program." » "basicas mathematics computer program.", "basicas matematicas como program.", "basicas matematicas comics program.", "comicas matematicas computer program.", "benditas matematicas computer program.", "fisica matematica computer program.", "basicas matematicas computer programs."
"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: (("basicas matematicas computer program.") or ("basicas matematicas logic programming."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("basicas matematicas computer program.") OR ("basicas matematicas logic programming.")).
• Removing quotes may allow a broader search: (( basicas matematicas computer program. ) or ( basicas matematicas logic programming. )).
• Adding a wildcard symbol may retrieve word variants: (("basicas matematicas computer program.") or ("basicas matematicas logic programming."))*.