Perhaps you should try some spelling variations:
petriuov » petrov (Expand Search), peteriuov (Expand Search), petriiuov (Expand Search), petruiuov (Expand Search)
petruiv » peteruiv (Expand Search), petriuiv (Expand Search), petruuiv (Expand Search)
petruiu » peteruiu (Expand Search), petriuiu (Expand Search), petruuiu (Expand Search)
petruuuoiuo » peteruuuoiuo (Expand Search), petriuuuoiuo (Expand Search), petruuuuoiuo (Expand Search)
petriuuuoiuo » peteriuuuoiuo (Expand Search), petriiuuuoiuo (Expand Search), petruiuuuoiuo (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 petruiv) OR ((petruiu OR (petruuuoiuo OR petriuuuoiuo)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriuov OR petruiv) OR ((petruiu OR (petruuuoiuo OR petriuuuoiuo)) OR petr)) o.s.*".