Perhaps you should try some spelling variations:
"fop peterov OR petroov OR petriv OR petruov OR petri OR petr OR peter o.s.*" » "fop petrov OR petroov OR petriv OR petruov OR petri OR petr OR peter o.s.*" (Expand Search), "fop peterov OR petrov OR petriv OR petruov OR petri OR petr OR peter o.s.*" (Expand Search), "fop peterov OR petroov OR petris OR petruov OR petri OR petr OR peter o.s.*" (Expand Search), "fop peterov OR petroov OR petrov OR petruov OR petri OR petr OR peter o.s.*" (Expand Search), "fop peterov OR petroov OR petriv OR petrov OR petri OR petr OR peter o.s.*" (Expand Search), "fop peterov OR petruoov OR petruiv OR petruuov OR petrui OR petru OR peter o.s.*" (Expand Search), "fop peterov OR petrooov OR petroiv OR petrouov OR petroi OR petro OR peter o.s.*" (Expand Search), "fop peterov OR peroov OR periv OR peruov OR peri OR per OR peter 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 petroov) OR petriv) OR petruov) OR (petri OR (petr OR peter))) o.s.*.