Perhaps you should try some spelling variations:
petruiv » peteruiv (Expand Search), petriuiv (Expand Search), petruuiv (Expand Search)
petriuo » peteriuo (Expand Search), petriiuo (Expand Search), petruiuo (Expand Search)
petriiio » peteriiio (Expand Search), petriiiio (Expand Search), petruiiio (Expand Search)
petriiiio » peteriiiio (Expand Search), petriiiiio (Expand Search), petruiiiio (Expand Search)
petriuiio » peteriuiio (Expand Search), petriiuiio (Expand Search), petruiuiio (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 (petruiv OR (((petriuo OR peteri) OR ((petriiio OR petriiiio) OR petriuiio)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (petruiv OR (((petriuo OR peteri) OR ((petriiio OR petriiiio) OR petriuiio)) OR petr)) o.s.*".