Perhaps you should try some spelling variations:
"zinzendorf, nicola ludwig <gray box, 1700-1760>" » "zinzendorf, nikolaus ludwig <gray box, 1700-1760>", "zinzendorf, nicola lewis <gray box, 1700-1760>", "zinzendorf, picot ludwig <gray box, 1700-1760>"
"zinzendorf, nicolaus ludwig <graf von, 1700-1760>" » "zinzendorf, nicolas ludwig <graf von, 1700-1760>", "zinzendorf, nikolaus ludwig <graf von, 1700-1760>", "zinzendorf, nicolai ludwig <graf von, 1700-1760>", "zinzendorf, nicolaus ludwig <graft von, 1700-1760>", "zinzendorf, nicolaus ludwig <graw von, 1700-1760>", "zinzendorf, nicolaus ludwig <gram von, 1700-1760>"
"zinzendorf, nicolaus ludwig <gray box, 1700-1760>" » "zinzendorf, nicolas ludwig <gray box, 1700-1760>", "zinzendorf, nikolaus ludwig <gray box, 1700-1760>", "zinzendorf, nicolai ludwig <gray box, 1700-1760>"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("zinzendorf, nicolaus ludwig <graf von, 1700-1760>") OR ((("zinzendorf, nicolaus ludwig <gray box, 1700-1760>") OR ("zinzendorf, nicola ludwig <gray box, 1700-1760>"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"zinzendorf, nicolaus ludwig <graf von, 1700-1760>\") or (((\"zinzendorf, nicolaus ludwig <gray box, 1700-1760>\") OR (\"zinzendorf, nicola ludwig <gray box, 1700-1760>\"))))*".
• Removing quotes may allow a broader search: (( zinzendorf, nicolaus ludwig <graf von, 1700-1760> ) or ((( zinzendorf, nicolaus ludwig <gray box, 1700-1760> ) OR ( zinzendorf, nicola ludwig <gray box, 1700-1760> ))))*.