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