Perhaps you should try some spelling variations:
peteruov » petrov (Expand Search)
petruov » peteruov (Expand Search), petriuov (Expand Search), petruuov (Expand Search)
petriv » peteriv (Expand Search), petriiv (Expand Search), petruiv (Expand Search)
petriiv » peteriiv (Expand Search), petriiiv (Expand Search), petruiiv (Expand Search)
petruiuiv » peteruiuiv (Expand Search), petriuiuiv (Expand Search), petruuiuiv (Expand Search)
petruiiv » peteruiiv (Expand Search), petriuiiv (Expand Search), petruuiiv (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (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 peteruov) OR ((petriv OR petriiv) OR petruiuiv)) OR petruiiv) OR petr) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((petruov OR peteruov) OR ((petriv OR petriiv) OR petruiuiv)) OR petruiiv) OR petr) o.s.*".