Perhaps you should try some spelling variations:
"fop peterov OR petriv OR petriv OR peteriuv OR peteriuv OR petriiuo OR petr o.s.*" » "fop peterov OR peteriv OR peteriv OR peteriuv OR peteriuv OR peteriiuo OR peter o.s.*" (Expand Search), "fop peterov OR petriiv OR petriiv OR peteriuv OR peteriuv OR petriiiuo OR petri o.s.*" (Expand Search), "fop peterov OR petruiv OR petruiv OR peteriuv OR peteriuv OR petruiiuo OR petru 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 ((petriv OR petriv) OR (peteriuv OR peteriuv))) OR (petriiuo OR petr)) o.s.*.