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: "fop ((petr OR peter) OR ((petriui OR peteruiui) OR petroi)) _. s.~".
• Adding a wildcard symbol may retrieve word variants: fop ((petr OR peter) OR ((petriui OR peteruiui) OR petroi)) _. s.*.