Perhaps you should try some spelling variations:
"fop periov OR petrov OR pero OR pero OR petrui OR peri OR petru o.s.*" » "fop petriov OR petrov OR pero OR pero OR petrui OR petri OR petru o.s.*" (Expand Search), "fop perov OR petrov OR pero OR pero OR petrui OR per OR petru o.s.*" (Expand Search), "fop periov OR petrov OR pero OR pero OR pentrui OR peri OR pentru o.s.*" (Expand Search), "fop periov OR petrov OR pero OR pero OR petrii OR peri 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 (periov OR ((((petrov OR pero) OR pero) OR (petrui OR peri)) OR petru)) o.s.*.