Perhaps you should try some spelling variations:
"fisico matematica computer programa." » "fisico mathematics computer programa.", "fisico matematicas computer programa.", "logico matematica computer programa.", "fisicomatematicas e computer programa.", "fisico matematica computer programs.", "fisico matematica computer program.", "fisico matematica computer programming."
"fisica matematica computer programa." » "fisica mathematics computer programa.", "fisica matematica computer programs.", "fisica matematica computer program.", "fisica matematica computer programming."

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("fisico matematica computer programa.") or ("fisica matematica computer programa."))~.
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• Adding a wildcard symbol may retrieve word variants: (("fisico matematica computer programa.") or ("fisica matematica computer programa."))*.