Perhaps you should try some spelling variations:
"fop petriiiov OR peteriiiov OR petru OR petrou OR petr OR per OR petri o.s.*" » "fop petriiiov OR peteriiiov OR pentru OR petrou OR petr OR per OR petri o.s.*" (Expand Search), "fop petriiiov OR peteriiiov OR petru OR petro OR petr OR per OR petri o.s.*" (Expand Search), "fop petriiiov OR peteriiiov OR petru OR petrov OR petr OR per OR petri o.s.*" (Expand Search), "fop petriiiov OR peteriiiov OR petru OR petrow OR petr OR per OR petri o.s.*" (Expand Search), "fop peteriiiov OR peteriiiov OR peteru OR peterou OR peter OR per OR peteri o.s.*" (Expand Search), "fop petroiiiov OR peteriiiov OR petrou OR petroou OR petro OR per OR petroi 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 ((petriiiov OR peteriiiov) OR ((petru OR petrou) OR ((petr OR per) OR petri))) o.s.*.