Perhaps you should try some spelling variations:
"sciences mathematics computer programa." » "science mathematics computer programa.", "sequences mathematics computer programa.", "science mathematical computer programa.", "sciences mathematics computer programs.", "sciences mathematics computer program.", "sciences mathematics computer programming."
"basicas matematica como programming." » "basicas matematicas como programming.", "fisica matematica como programming.", "comicas matematicas como programming.", "basicas matematica control programming.", "basicas matematica logic programming.", "basicas matematica computer programming.", "basicas matematicas con 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: (("sciences mathematics computer programa.") or ("basicas matematica como programming."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sciences mathematics computer programa.") OR ("basicas matematica como programming.")).
• Removing quotes may allow a broader search: (( sciences mathematics computer programa. ) or ( basicas matematica como programming. )).
• Adding a wildcard symbol may retrieve word variants: (("sciences mathematics computer programa.") or ("basicas matematica como programming."))*.