Perhaps you should try some spelling variations:
"basicas matematicas computer programmers." » "basicas matematicas como programmers.", "basicas matematicas comics programmers.", "basicas matematicas computer programs.", "basicas matematicas computers programming.", "basicas matematicas computer program.", "comicas matematicas computer programmers.", "benditas matematicas computer programmers.", "fisica matematica computer programmers."
"exactas mathematics computer programming." » "exactas mathematics computer programs.", "exactas mathematics computer program.", "exactas matematicas computer programming.", "arts mathematics computer programming."

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