Perhaps you should try some spelling variations:
"fop petrov OR peterov OR peters OR petroi OR petruuiv OR petr OR petri o.s.*" » "fop petro OR peterov OR peters OR petroi OR petruuiv OR petr OR petri o.s.*" (Expand Search), "fop petrov OR peterov OR peter OR petroi OR petruuiv OR petr OR petri o.s.*" (Expand Search), "fop petrov OR peterov OR petersen OR petroi OR petruuiv OR petr OR petri o.s.*" (Expand Search), "fop petrov OR peterov OR peters OR petro OR petruuiv OR petr OR petri o.s.*" (Expand Search), "fop petrov OR peterov OR peters OR petrow OR petruuiv OR petr OR petri o.s.*" (Expand Search), "fop peterov OR peterov OR peters OR peteroi OR peteruuiv OR peter OR peteri o.s.*" (Expand Search), "fop petruov OR peterov OR peters OR petruoi OR petruuuiv OR petru OR petrui o.s.*" (Expand Search), "fop petroov OR peterov OR peters OR petrooi OR petrouuiv OR petro OR petroi 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 ((petrov OR peterov) OR (((peters OR petroi) OR petruuiv) OR (petr OR petri))) o.s.*.