Perhaps you should try some spelling variations:
petrv » peterv (Expand Search), petriv (Expand Search), petruv (Expand Search)
petruv » peteruv (Expand Search), petriuv (Expand Search), petruuv (Expand Search)
petriiv » peteriiv (Expand Search), petriiiv (Expand Search), petruiiv (Expand Search)
petriiiv » peteriiiv (Expand Search), petriiiiv (Expand Search), petruiiiv (Expand Search)
petruuv » peteruuv (Expand Search), petriuuv (Expand Search), petruuuv (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 (((peterov OR ((petrv OR petruv) OR (petriiv OR petriiiv))) OR petruuv) OR petr) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((peterov OR ((petrv OR petruv) OR (petriiv OR petriiiv))) OR petruuv) OR petr) o.s.*".