Perhaps you should try some spelling variations:
"logica mathematics computer programming." » "logica mathematics computer programs.", "logica mathematics computer program.", "logica matematica computer programming.", "logico matematico computer programming.", "logico matematica computer programming."
"basicas matematicas web programming." » "comicas matematicas web programming.", "benditas matematicas web programming.", "fisica matematica web programming.", "basicas matematicas en programming.", "basicas matematicas de programming.", "basicas matematicas e programming.", "basicas matematicas web programacion."

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

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