Perhaps you should try some spelling variations:
"fop petruv OR peruv OR petriuv OR petrio OR petriio OR petr OR petru OR petri o.s.*" » "fop petrov OR peruv OR petriuv OR petrio OR petriio OR petr OR petru OR petri o.s.*" (Expand Search), "fop petruv OR peruv OR petriuv OR petris OR petriio OR petr OR petru OR petri o.s.*" (Expand Search), "fop petruv OR peruv OR petriuv OR petro OR petriio OR petr OR petru OR petri o.s.*" (Expand Search), "fop peteruv OR peruv OR peteriuv OR peterio OR peteriio OR peter OR peteru OR peteri o.s.*" (Expand Search), "fop petrouv OR peruv OR petroiuv OR petroio OR petroiio OR petro OR petrou OR petroi o.s.*" (Expand Search), "fop peruv OR peruv OR periuv OR perio OR periio OR per OR peru OR peri o.s.*" (Expand Search), "fop pentruv OR peruv OR petriuv OR petrio OR petriio OR petr OR pentru OR petri 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 (((petruv OR peruv) OR petriuv) OR ((petrio OR petriio) OR (petr OR (petru OR petri)))) o.s.*.