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