Perhaps you should try some spelling variations:
petrv » petro (Expand Search), petra (Expand Search), petre (Expand Search), peterv (Expand Search), petrov (Expand Search)
petr » peter (Expand Search), petro (Expand Search)
petrovu » peterovu (Expand Search), petroovu (Expand Search), petrou (Expand Search)
petrov » peterov (Expand Search), petroov (Expand Search), petro (Expand Search)
petroov » peteroov (Expand Search), petrooov (Expand Search)
petru » peteru (Expand Search), petrou (Expand Search), pentru (Expand Search)
petri » peteri (Expand Search), petroi (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 ((petrv OR per) OR ((petr OR (petrovu OR ((petrov OR petroov) OR petru))) OR petri)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petrv OR per) OR ((petr OR (petrovu OR ((petrov OR petroov) OR petru))) OR petri)) o.s.*".