Perhaps you should try some spelling variations:
"fop peterov OR petruv OR petr OR petrouo OR peterouo OR petru OR petri o.s.*" » "fop petrov OR petruv OR petr OR petrouo OR peterouo OR petru OR petri o.s.*" (Expand Search), "fop peterov OR petrov OR petr OR petrouo OR peterouo OR petru OR petri o.s.*" (Expand Search), "fop peterov OR peteruv OR peter OR peterouo OR peterouo OR peteru OR peteri o.s.*" (Expand Search), "fop peterov OR petrouv OR petro OR petroouo OR peterouo OR petrou OR petroi o.s.*" (Expand Search), "fop peterov OR peruv OR per OR perouo OR peterouo OR peru OR peri o.s.*" (Expand Search), "fop peterov OR pentruv OR petr OR petrouo OR peterouo OR pentru OR petri 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 petruv) OR ((petr OR (petrouo OR peterouo)) OR (petru OR petri))) o.s.*.