Perhaps you should try some spelling variations:
"fop periv OR petru OR petriiu OR periu OR peteriu OR pero OR peri OR petr o.s.*" » "fop petriv OR petru OR petriiu OR petriu OR peteriu OR pero OR petri OR petr o.s.*" (Expand Search), "fop perv OR petru OR petriiu OR peru OR peteriu OR pero OR per OR petr o.s.*" (Expand Search), "fop periv OR peteru OR peteriiu OR periu OR peteriu OR pero OR peri OR peter o.s.*" (Expand Search), "fop periv OR petriu OR petriiiu OR periu OR peteriu OR pero OR peri OR petri o.s.*" (Expand Search), "fop periv OR petrou OR petroiiu OR periu OR peteriu OR pero OR peri OR petro 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 (periv OR ((petru OR ((petriiu OR periu) OR peteriu)) OR ((pero OR peri) OR petr))) o.s.*.