Perhaps you should try some spelling variations:
mathematical vitalitya » mathematical vitality, mathematical reality, mathematical utility
a mathematica » _ mathematica, a mathematics, a mathematician
a matematica » la matematica, e matematica, _ matematica

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( lecture notes of the ((a matematica) OR (a mathematica)) italian ) OR ( lecture notes of the a mathematical vitalitya )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( lecture notes of the ((a matematica) OR (a mathematica)) italian ) or ( lecture notes of the a mathematical vitalitya ))".
• Adding a wildcard symbol may retrieve word variants: (( lecture notes of the ((a matematica) OR (a mathematica)) italian ) or ( lecture notes of the a mathematical vitalitya ))*.