Perhaps you should try some spelling variations:
"fop peteriov OR petruv OR petru OR peteruo OR peteruuo OR peteruuo OR petr o.s.*" » "fop petrov OR petruv OR petru OR peteruo OR peteruuo OR peteruuo OR petr o.s.*" (Expand Search), "fop peteriov OR peteruv OR peteru OR peteruo OR peteruuo OR peteruuo OR peter o.s.*" (Expand Search), "fop peteriov OR petriuv OR petriu OR peteruo OR peteruuo OR peteruuo OR petri o.s.*" (Expand Search), "fop peteriov OR petrouv OR petrou OR peteruo OR peteruuo OR peteruuo 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 ((peteriov OR petruv) OR ((petru OR (peteruo OR (peteruuo OR peteruuo))) OR petr)) o.s.*.