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."
"logica matematica como programming." » "fisica matematica como programming.", "la matematica como programming.", "logica matematica control programming.", "logica matematica logic programming.", "logica matematica computer programming.", "logica matematicas con programming."

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: (("basicas matematicas computer program.") or ("logica matematica como programming."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("basicas matematicas computer program.") OR ("logica matematica como programming.")).
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• Adding a wildcard symbol may retrieve word variants: (("basicas matematicas computer program.") or ("logica matematica como programming."))*.