Perhaps you should try some spelling variations:
petruv » petrov (Expand Search), pentruv (Expand Search), petriv (Expand Search), petriuv (Expand Search), petrouv (Expand Search)
petrois » petris (Expand Search), petriois (Expand Search), petroois (Expand Search)
petru » pentru (Expand Search), petri (Expand Search), petriu (Expand Search), petrou (Expand Search)
petroiiiv » petrioiiiv (Expand Search), petrooiiiv (Expand Search)
petriio » petriiio (Expand Search), petroiio (Expand Search)
petr » petri (Expand Search), petro (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 ((petroiiiv OR petruv) OR ((petriio OR (petrois OR petru)) OR ((petr OR per) OR peter))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petroiiiv OR petruv) OR ((petriio OR (petrois OR petru)) OR ((petr OR per) OR peter))) o.s.*".