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