Perhaps you should try some spelling variations:
"fop peterov OR petriov OR petruv OR petruiuv OR peterv OR petrio OR peter o.s.*" » "fop petrov OR petriov OR petruv OR petruiuv OR peterv OR petrio OR peter o.s.*" (Expand Search), "fop peterov OR petrov OR petruv OR petruiuv OR peterv OR petrio OR peter o.s.*" (Expand Search), "fop peterov OR petriov OR petru OR petruiuv OR peterv OR petrio OR peter o.s.*" (Expand Search), "fop peterov OR petriov OR petrov OR petruiuv OR peterv OR petrio OR peter o.s.*" (Expand Search), "fop peterov OR petriov OR petruv OR petruiuv OR peters OR petrio OR peter o.s.*" (Expand Search), "fop peterov OR petriv OR petruv OR petruiuv OR peterv OR petri OR peter o.s.*" (Expand Search), "fop peterov OR petrisv OR petruv OR petruiuv OR peterv OR petris OR peter o.s.*" (Expand Search), "fop peterov OR petrov OR petruv OR petruiuv OR peterv OR petro 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 petriov) OR (petruv OR petruiuv)) OR peterv) OR (petrio OR peter)) o.s.*.