Perhaps you should try some spelling variations:
"fop peterov OR perov OR petru OR petri OR peteri OR petrooi OR petr o.s.*" » "fop peterov OR petrov OR petru OR petri OR peteri OR petrooi OR petr o.s.*" (Expand Search), "fop peterov OR perov OR peteru OR peteri OR peteri OR peterooi OR peter o.s.*" (Expand Search), "fop peterov OR perov OR petrou OR petroi OR peteri OR petroooi OR petro o.s.*" (Expand Search), "fop peterov OR perov OR peru OR peri OR peteri OR perooi OR per 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 ((peterov OR perov) OR ((petru OR ((petri OR peteri) OR petrooi)) OR petr)) o.s.*.