Perhaps you should try some spelling variations:
peteruiv » peterdi (Expand Search)
petruiiv » peteruiiv (Expand Search), petruuiiv (Expand Search), petrouiiv (Expand Search)
petruuiuiv » peteruuiuiv (Expand Search), petruuuiuiv (Expand Search), petrouuiuiv (Expand Search)
petruuiv » peteruuiv (Expand Search), petruuuiv (Expand Search), petrouuiv (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (Expand Search)
petr » peter (Expand Search), petru (Expand Search), petro (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 ((petruiiv OR ((peteruiv OR petruuiuiv) OR petruuiv)) OR (petri OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruiiv OR ((peteruiv OR petruuiuiv) OR petruuiv)) OR (petri OR petr)) o.s.*".