Perhaps you should try some spelling variations:
"fop petrov OR petrui OR petrui OR petrou OR periou OR petr OR peter o.s.*" » "fop petro OR petrui OR petrui OR petrou OR periou OR petr OR peter o.s.*" (Expand Search), "fop petrov OR petri OR petri OR petrou OR periou OR petr OR peter o.s.*" (Expand Search), "fop petrov OR petru OR petru OR petrou OR periou OR petr OR peter o.s.*" (Expand Search), "fop petrov OR petrui OR petrui OR petru OR periou OR petr OR peter o.s.*" (Expand Search), "fop petrov OR petrui OR petrui OR petro OR periou OR petr OR peter o.s.*" (Expand Search), "fop petrov OR petrui OR petrui OR petrow OR periou OR petr OR peter o.s.*" (Expand Search), "fop petriov OR petriui OR petriui OR petriou OR periou OR petri OR peter o.s.*" (Expand Search), "fop petruov OR petruui OR petruui OR petruou OR periou OR petru OR peter o.s.*" (Expand Search), "fop petroov OR petroui OR petroui OR petroou OR periou OR petro OR peter 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 ((petrov OR (petrui OR petrui)) OR ((petrou OR periou) OR (petr OR peter))) o.s.*.