Perhaps you should try some spelling variations:
"comicas matematicas computer programmers." » "comicas mathematics computer programmers.", "comicas matematicas como programmers.", "comicas matematicas comics programmers.", "comicas matematicas computer programs.", "comicas matematicas computer programming.", "comicas matematicas computers programming.", "ciencias matematicas computer programmers.", "logica matematica computer programmers.", "economicos matematicos computer programmers."
"basicas matematicas tomo programas." » "benditas matematicas tomo programas.", "fisica matematica tomo programas.", "fisico matematicas tomo programas.", "basicas matematica tomo programas.", "basicas matematicas como programas.", "basicas matematica como programas.", "basicas matematicas como programa.", "basicas matematicas como programar.", "basicas matematicas tanto programas."

Try widening your search to All Fields.

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