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