Perhaps you should try some spelling variations:
"fop petruv OR petr OR petru OR petri OR petroi OR per OR peteri OR peterdi o.s.*" » "fop petrov OR petr OR petru OR petri OR petroi OR per OR peteri OR peterdi o.s.*" (Expand Search), "fop peteruv OR peter OR peteru OR peteri OR peteroi OR per OR peteri OR peterdi o.s.*" (Expand Search), "fop petrouv OR petro OR petrou OR petroi OR petrooi OR per OR peteri OR peterdi o.s.*" (Expand Search), "fop pentruv OR petr OR pentru OR petri OR petroi OR per OR peteri OR peterdi o.s.*" (Expand Search), "fop petruv OR petr OR petru OR petri OR petro OR per OR peteri OR peterdi o.s.*" (Expand Search), "fop petruv OR petr OR petru OR petri OR petrov OR per OR peteri OR peterdi o.s.*" (Expand Search), "fop petruv OR petr OR petru OR petri OR petrow OR per OR peteri OR peterdi o.s.*" (Expand Search), "fop petruv OR petr OR petru OR petri OR petroi OR per OR peter OR peterdi o.s.*" (Expand Search), "fop petruv OR petr OR petru OR petri OR petroi OR per OR peters OR peterdi 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 (petruv OR ((petr OR (petru OR (petri OR petroi))) OR (per OR (peteri OR peterdi)))) o.s.*.