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 matematicas computer programmers." » "comicas matematicas como programmers.", "comicas matematicas comics programmers.", "comicas matematicas computer programs.", "comicas matematicas computers programming.", "comicas matematicas computer program.", "basicas matematicas computer programmers.", "ciencias matematicas computer programmers.", "logica matematica computer programmers."

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 matematicas computer programmers."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("basicas mathematics computer programming.") OR ("comicas matematicas computer programmers.")).
• Removing quotes may allow a broader search: (( basicas mathematics computer programming. ) or ( comicas matematicas computer programmers. )).
• Adding a wildcard symbol may retrieve word variants: (("basicas mathematics computer programming.") or ("comicas matematicas computer programmers."))*.