Perhaps you should try some spelling variations:
"witt:bon vivant" » "litt:bon vivant", "witt:born vivant", "witt:bono vivant"
"pitt:bone vivant" » "pitt:borne vivant", "pitt:bonoe vivant", "pitt:one vivant", "pitt:pone vivant", "pitt:done vivant"
"wilf:bond vivant" » "wilf:bornd vivant", "wilf:bonod vivant", "wolf:bond vivant", "wild:bond vivant", "wilf:band vivant", "wilf:bono vivant", "wilf:boyd vivant"
"wik:bon vivant" » "wik:born vivant", "wik:bono vivant", "wick:bon vivant", "wink:bon 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 ("pitt:bone vivant"))) OR ("wilf:bond vivant"))) OR ("wik:bon vivant"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"witt:bon vivant\") OR (\"pitt:bone vivant\"))) OR (\"wilf:bond vivant\"))) OR (\"wik:bon vivant\"))".
• Removing quotes may allow a broader search: (((((( witt:bon vivant ) OR ( pitt:bone vivant ))) OR ( wilf:bond vivant ))) OR ( wik:bon vivant )).
• Adding a wildcard symbol may retrieve word variants: (((((("witt:bon vivant") OR ("pitt:bone vivant"))) OR ("wilf:bond vivant"))) OR ("wik:bon vivant"))*.