Perhaps you should try some spelling variations:
petruov » petrov (Expand Search), petriuov (Expand Search), petrouov (Expand Search), peruov (Expand Search), pentruov (Expand Search), petriov (Expand Search)
petriu » petri (Expand Search), petris (Expand Search), petriiu (Expand Search), petroiu (Expand Search), periu (Expand Search)
petriiu » petriiiu (Expand Search), petroiiu (Expand Search), periiu (Expand Search)
petr » petri (Expand Search), petro (Expand Search), per (Expand Search)
petriv » petriiv (Expand Search), petroiv (Expand Search), periv (Expand Search), petri (Expand Search), petris (Expand Search), petrov (Expand Search)
petru » petriu (Expand Search), petrou (Expand Search), peru (Expand Search), pentru (Expand Search), petri (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 (((petruov OR (petriu OR petriiu)) OR ((petr OR (petriv OR peroiv)) OR petru)) OR peter) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petruov OR (petriu OR petriiu)) OR ((petr OR (petriv OR peroiv)) OR petru)) OR peter) o.s.*".