Perhaps you should try some spelling variations:
"lecture notes of the a mathematical vitality" » "lecture notes of the a mathematical duality", "lecture notes of the a mathematical activity", "lecture notes of the a mathematical ability"
"lecture notes of the a mathematical utility" » "lecture notes of the a mathematical ability", "lecture notes of the a mathematical utilities", "lecture notes of the a mathematical activity"
"lecture notes of the a mathematical reality" » "lecture notes of the a mathematical realism", "lecture notes of the a mathematical ability", "lecture notes of the a mathematical creativity"

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 mathematical vitality") OR ("lecture notes of the a mathematical utility"))) OR ("lecture notes of the a mathematical reality")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"lecture notes of the a mathematical vitality\") OR (\"lecture notes of the a mathematical utility\"))) or (\"lecture notes of the a mathematical reality\"))".
• Removing quotes may allow a broader search: (((( lecture notes of the a mathematical vitality ) OR ( lecture notes of the a mathematical utility ))) or ( lecture notes of the a mathematical reality )).
• Adding a wildcard symbol may retrieve word variants: (((("lecture notes of the a mathematical vitality") OR ("lecture notes of the a mathematical utility"))) or ("lecture notes of the a mathematical reality"))*.