Perhaps you should try some spelling variations:
"fop petruiv OR petrov OR petru OR petrio OR peruv OR peteruv OR petr OR peter o.s.*" » "fop petruiv OR petro OR petru OR petrio OR peruv OR peteruv OR petr OR peter o.s.*" (Expand Search), "fop pentruiv OR petrov OR pentru OR petrio OR peruv OR peteruv OR petr OR peter o.s.*" (Expand Search), "fop petriiv OR petrov OR petri OR petrio OR peruv OR peteruv OR petr OR peter o.s.*" (Expand Search), "fop petruiv OR petrov OR petru OR petri OR peruv OR peteruv OR petr OR peter o.s.*" (Expand Search), "fop petruiv OR petrov OR petru OR petris OR peruv OR peteruv OR petr OR peter o.s.*" (Expand Search), "fop petruiv OR petrov OR petru OR petro OR peruv OR peteruv OR petr OR peter o.s.*" (Expand Search), "fop petriuiv OR petriov OR petriu OR petriio OR peruv OR peteruv OR petri OR peter o.s.*" (Expand Search), "fop petrouiv OR petroov OR petrou OR petroio OR peruv OR peteruv OR petro OR peter o.s.*" (Expand Search), "fop peruiv OR perov OR peru OR perio OR peruv OR peteruv 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 (petruiv OR ((((petrov OR petru) OR petrio) OR (peruv OR peteruv)) OR (petr OR peter))) o.s.*.