Perhaps you should try some spelling variations:
"fop petruv OR petrov OR perov OR petri OR petr OR pero OR petru OR pentru o.s.*" » "fop petruv OR petro OR perov OR petri OR petr OR pero OR petru OR pentru o.s.*" (Expand Search), "fop peteruv OR peterov OR perov OR peteri OR peter OR pero OR peteru OR pentru o.s.*" (Expand Search), "fop petrouv OR petroov OR perov OR petroi OR petro OR pero OR petrou OR pentru o.s.*" (Expand Search), "fop peruv OR perov OR perov OR peri OR per OR pero OR peru OR pentru o.s.*" (Expand Search), "fop petruv OR petrov OR petrov OR petri OR petr OR petro OR petru OR pentru o.s.*" (Expand Search), "fop petruv OR petrov OR perv OR petri OR petr OR per OR petru OR pentru o.s.*" (Expand Search), "fop petruv OR petrov OR prov OR petri OR petr OR pro OR petru OR pentru 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 (((petrov OR perov) OR petri) OR (petr OR (pero OR (petru OR pentru))))) o.s.*.