Perhaps you should try some spelling variations:
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"logica matematica computer programs." » "logica mathematics computer programs.", "fisica matematica computer programs.", "la matematica computer programs.", "logica matematica computer programas.", "logica matematica 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: (("logica matematica computer programs.") or ("comicas matematicas computer programming."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("logica matematica computer programs.") OR ("comicas matematicas computer programming.")).
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• Adding a wildcard symbol may retrieve word variants: (("logica matematica computer programs.") or ("comicas matematicas computer programming."))*.