Perhaps you should try some spelling variations:
petruv » petrov (Expand Search), petriv (Expand Search), peteruv (Expand Search), petriuv (Expand Search), petrouv (Expand Search)
petru » petri (Expand Search), peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
peteruo » petero (Expand Search), peterso (Expand Search)
peteru » peter (Expand Search), peters (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (Expand Search)
peteri » peter (Expand Search), petri (Expand Search), peters (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: fop (petruv OR ((((petru OR pentru) OR peteruo) OR peteru) OR (petr OR (peteri OR peterdi)))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (petruv OR ((((petru OR pentru) OR peteruo) OR peteru) OR (petr OR (peteri OR peterdi)))) o.s.*".