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 do programa." » "basicas matematicas do programa.", "ciencias matematicas do programa.", "logica matematica do programa.", "comicas matematicas de programa.", "comicas matematicas con programa.", "comicas matematicas del programa.", "comicas matematicas o programa.", "comicas matematicas dos 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 do programa.") or ("basicas mathematics computer programming."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("comicas matematicas do programa.") OR ("basicas mathematics computer programming.")).
• Removing quotes may allow a broader search: (( comicas matematicas do programa. ) or ( basicas mathematics computer programming. )).
• Adding a wildcard symbol may retrieve word variants: (("comicas matematicas do programa.") or ("basicas mathematics computer programming."))*.