Perhaps you should try some spelling variations:
"witt:bon vivant" » "pitt:bon vivant", "litt:bon vivant", "witt:born vivant", "witt:bono vivant", "witt:bond vivant", "whitt:bon vivant", "waitt:bon vivant"
"wit:bondo vivant" » "wit:borndo vivant", "wit:bonodo vivant", "wit:bonddo vivant", "whit:bondo vivant", "wait:bondo vivant", "wit:brondo vivant", "wit:biondo vivant", "wit:fondo vivant"
"wit:tono vivant" » "whit:tono vivant", "wait:tono vivant", "wit:torno vivant", "wit:otono vivant", "wit:todo vivant"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("witt:bon vivant") OR ((("wit:bondo vivant") OR ("wit:tono vivant"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"witt:bon vivant\") OR (((\"wit:bondo vivant\") OR (\"wit:tono vivant\"))))".
• Removing quotes may allow a broader search: (( witt:bon vivant ) OR ((( wit:bondo vivant ) OR ( wit:tono vivant )))).
• Adding a wildcard symbol may retrieve word variants: (("witt:bon vivant") OR ((("wit:bondo vivant") OR ("wit:tono vivant"))))*.