Perhaps you should try some spelling variations:
"basicas mathematics computer programming." » "basicas mathematics computer programs.", "basicas matematicas computer programming.", "business mathematics computer programming.", "basicas mathematics computer programsming."
"ensenar matematicas computer program." » "ensenar matematicas como program.", "ensenar matematicas comics program.", "ensenanza matematicas computer program.", "ensenar matematicas computer programs."

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