Perhaps you should try some spelling variations:
"litt:bon vivant" » "pitt:bon vivant", "lita:bon vivant", "liut:bon vivant", "litt:born vivant", "litt:bono vivant", "litt:bone vivant"
"litt:bond vivant" » "pitt:bond vivant", "lita:bond vivant", "liut:bond vivant", "litt:bornd vivant", "litt:bonod vivant", "litt:boned vivant", "litt:band vivant", "litt:bono vivant", "litt:boyd vivant"
"wik:bon vivant" » "wik:born vivant", "wik:bono vivant", "wik:bone 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: (((("litt:bon vivant") OR ("litt:bond vivant"))) OR ("wik:bon vivant"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"litt:bon vivant\") OR (\"litt:bond vivant\"))) OR (\"wik:bon vivant\"))".
• Removing quotes may allow a broader search: (((( litt:bon vivant ) OR ( litt:bond vivant ))) OR ( wik:bon vivant )).
• Adding a wildcard symbol may retrieve word variants: (((("litt:bon vivant") OR ("litt:bond vivant"))) OR ("wik:bon vivant"))*.