Perhaps you should try some spelling variations:
"fop peterov OR petruv OR petruuuv OR petruuuv OR petrv OR petriiv OR petr o.s.*" » "fop peterov OR peteruv OR peteruuuv OR peteruuuv OR peterv OR peteriiv OR peter o.s.*" (Expand Search), "fop peterov OR petriuv OR petriuuuv OR petriuuuv OR petriv OR petriiiv OR petri o.s.*" (Expand Search), "fop peterov OR petruuv OR petruuuuv OR petruuuuv OR petruv OR petruiiv 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 (petruuuv OR petruuuv))) OR (petrv OR petriiv)) OR petr) o.s.*.