Perhaps you should try some spelling variations:
petriiiv » peteriiiv (Expand Search), petriiiiv (Expand Search), petruiiiv (Expand Search)
petruiiiv » peteruiiiv (Expand Search), petriuiiiv (Expand Search), petruuiiiv (Expand Search)
petruuiiiv » peteruuiiiv (Expand Search), petriuuiiiv (Expand Search), petruuuiiiv (Expand Search)
petruov » peteruov (Expand Search), petriuov (Expand Search), petruuov (Expand Search)
petruiuuuov » peteruiuuuov (Expand Search), petriuiuuuov (Expand Search), petruuiuuuov (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 ((petriiiv OR (petruiiiv OR petruuiiiv)) OR ((petruov OR petruiuuuov) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriiiv OR (petruiiiv OR petruuiiiv)) OR ((petruov OR petruiuuuov) OR petr)) o.s.*".