Perhaps you should try some spelling variations:
"fop peter OR petr OR petriv OR petriv OR petruuv OR petruuv o.s.*" » "fop peter OR petri OR petriiv OR petriiv OR petriuuv OR petriuuv o.s.*" (Expand Search), "fop peter OR petru OR petruiv OR petruiv OR petruuuv OR petruuuv o.s.*" (Expand Search), "fop peter OR petro OR petroiv OR petroiv OR petrouuv OR petrouuv o.s.*" (Expand Search), "fop peter OR petr OR petri OR petri OR petruuv OR petruuv o.s.*" (Expand Search), "fop peter OR petr OR petris OR petris OR petruuv OR petruuv o.s.*" (Expand Search), "fop peter OR petr OR petrov OR petrov OR petruuv OR petruuv 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 ((peter OR petr) OR (petriv OR ((petriv OR petruuv) OR petruuv))) o.s.*.