Perhaps you should try some spelling variations:
peteriiu » peterdi (Expand Search)
petruoov » petrov (Expand Search), peteruoov (Expand Search), petriuoov (Expand Search), petruuoov (Expand Search)
petruv » peteruv (Expand Search), petriuv (Expand Search), petruuv (Expand Search)
petroov » peteroov (Expand Search), petrioov (Expand Search), petruoov (Expand Search)
petruov » peteruov (Expand Search), petriuov (Expand Search), petruuov (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: fop (petruv OR (((peteriiu OR petero) OR ((petroov OR petruoov) OR petruov)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (petruv OR (((peteriiu OR petero) OR ((petroov OR petruoov) OR petruov)) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (petruv OR (((peteriiu OR petero) OR ((petroov OR petruoov) OR petruov)) OR petr)) o.s.*.