Perhaps you should try some spelling variations:
"fop peterov OR petriuv OR petruuuv OR peteruuuuv OR petriuo OR peteruuo OR petr o.s.*" » "fop peterov OR peteriuv OR peteruuuv OR peteruuuuv OR peteriuo OR peteruuo OR peter o.s.*" (Expand Search), "fop peterov OR petriiuv OR petriuuuv OR peteruuuuv OR petriiuo OR peteruuo OR petri o.s.*" (Expand Search), "fop peterov OR petruiuv OR petruuuuv OR peteruuuuv OR petruiuo OR peteruuo 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 (petriuv OR (petruuuv OR peteruuuuv))) OR ((petriuo OR peteruuo) OR petr)) o.s.*.