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