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."
"ensenar matematicas con programmers." » "ensenanza matematicas con programmers.", "ensenar matematicas en programmers.", "ensenar matematica en programmers.", "ensenar matematicas y programmers."

You may be able to get more results by adjusting your search query.

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