Perhaps you should try some spelling variations:
petriuov » petrov (Expand Search), peteriuov (Expand Search), petriiuov (Expand Search), petruiuov (Expand Search)
peteroiv » petrov (Expand Search), peterdi (Expand Search)
peteriov » petrov (Expand Search)
petriiov » petrov (Expand Search), peteriiov (Expand Search), petriiiov (Expand Search), petruiiov (Expand Search)
petroiuov » peteroiuov (Expand Search), petrioiuov (Expand Search), petruoiuov (Expand Search)
petrui » peterui (Expand Search), petriui (Expand Search), petruui (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 ((((petriuov OR petroiuov) OR peteroiv) OR (peteriov OR petriiov)) OR (petrui OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((petriuov OR petroiuov) OR peteroiv) OR (peteriov OR petriiov)) OR (petrui OR petr)) o.s.*".