Perhaps you should try some spelling variations:
williams mark » williams r (Expand Search), williams m (Expand Search), williams a (Expand Search)
williams jack » williams ck (Expand Search), williams james (Expand Search), williams a (Expand Search)
williams j » williams r (Expand Search), williams m (Expand Search), william j (Expand Search)
burrows i » burrows pn (Expand Search), burrow r (Expand Search)
burrows d » burrows pn (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: "((williams mark) OR (((williams jack) OR (williams j)))) ((burrows i) OR (burrows d))~".
• Adding a wildcard symbol may retrieve word variants: ((williams mark) OR (((williams jack) OR (williams j)))) ((burrows i) OR (burrows d))*.