Perhaps you should try some spelling variations:
"summa 19 claude" » "summa 11 claude", "summa 1859 claude", "summa 1950 claude", "summa 13 claude", "summary 19 claude", "summer 19 claude", "summa 139 claude", "summar 19 claude", "summa _9 claude"
"summa 1 claude" » "summa 11 claude", "summa _ claude", "summa 1 clause", "summa 13 claude", "summar 1 claude"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"summa 1 claude\") OR (\"summa 19 claude\"))".
• Removing quotes may allow a broader search: (( summa 1 claude ) OR ( summa 19 claude )).
• Adding a wildcard symbol may retrieve word variants: (("summa 1 claude") OR ("summa 19 claude"))*.