Perhaps you should try some spelling variations:
"fop petruov OR petro OR petru OR petero OR peri OR peri OR petr o.s.*" » "fop petruov OR petrov OR petru OR petero OR peri OR peri OR petr o.s.*" (Expand Search), "fop petruov OR petri OR petru OR petero OR peri OR peri OR petr o.s.*" (Expand Search), "fop petruov OR petro OR petru OR petero OR petri OR petri OR petr o.s.*" (Expand Search), "fop petruov OR petro OR petru OR petero OR per OR per OR petr o.s.*" (Expand Search), "fop peteruov OR petero OR peteru OR petero OR peri OR peri OR peter o.s.*" (Expand Search), "fop petriuov OR petrio OR petriu OR petero OR peri OR peri OR petri o.s.*" (Expand Search), "fop peruov OR pero OR peru OR petero OR peri OR peri OR per 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 (petruov OR ((((petro OR petru) OR petero) OR (peri OR peri)) OR petr)) o.s.*.