Perhaps you should try some spelling variations:
tony » tong (Expand Search), tiny (Expand Search)
tone » stone (Expand Search), one (Expand Search), done (Expand Search)
tin » thin (Expand Search), ting (Expand Search), tian (Expand Search)
micha. » michal. (Expand Search), mica. (Expand Search), mucha. (Expand Search)
michl. » michel. (Expand Search), michal. (Expand Search), micel. (Expand Search)
dperry » perry (Expand Search), iperry (Expand Search), mperry (Expand Search)
sherry » cherry (Expand Search)

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: "(roy OR ((tony OR tone) OR tin)), (micha. OR michl.) : (dperry OR sherry) vickers~".
• Adding a wildcard symbol may retrieve word variants: (roy OR ((tony OR tone) OR tin)), (micha. OR michl.) : (dperry OR sherry) vickers*.