Perhaps you should try some spelling variations:
"basicas matematicas computer programming." » "basicas matematicas como programming.", "basicas matematicas comics programming.", "basicas matematicas computer program.", "comicas matematicas computer programming.", "benditas matematicas computer programming.", "fisica matematica computer programming."
"logica mathematics computer programs." » "logica matematica computer programs.", "logico matematico computer programs.", "logico matematica computer programs.", "logica mathematics computer programas.", "logica mathematics computer programa."

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