Perhaps you should try some spelling variations:
"fop peterov OR petruv OR peteruv OR petrouuv OR petruuuv OR petroi OR petr o.s.*" » "fop peterov OR petruv OR peteruv OR petrov OR petruuuv OR petroi OR petr o.s.*" (Expand Search), "fop peterov OR peteruv OR peteruv OR peterouuv OR peteruuuv OR peteroi OR peter o.s.*" (Expand Search), "fop peterov OR petriuv OR peteruv OR petriouuv OR petriuuuv OR petrioi OR petri o.s.*" (Expand Search), "fop peterov OR petruuv OR peteruv OR petruouuv OR petruuuuv OR petruoi OR petru o.s.*" (Expand Search)

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

• Removing quotes may allow a broader search: fop ((peterov OR ((petruv OR peteruv) OR (petrouuv OR petruuuv))) OR (petroi OR petr)) o.s.*.