Perhaps you should try some spelling variations:
"fop petriiov OR petruv OR petriiuv OR peteruv OR petrou OR petr o.s.*" » "fop petrov OR petruv OR petriiuv OR peteruv OR petrou OR petr o.s.*" (Expand Search), "fop peteriiov OR peteruv OR peteriiuv OR peteruv OR peterou OR peter o.s.*" (Expand Search), "fop petriiiov OR petriuv OR petriiiuv OR peteruv OR petriou OR petri o.s.*" (Expand Search), "fop petruiiov OR petruuv OR petruiiuv OR peteruv OR petruou OR petru 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 ((petriiov OR ((petruv OR petriiuv) OR peteruv)) OR (petrou OR petr)) o.s.*.