Perhaps you should try some spelling variations:
peterui » peterdi (Expand Search)
petriv » peteriv (Expand Search), petriiv (Expand Search), petruiv (Expand Search)
petruiv » peteruiv (Expand Search), petriuiv (Expand Search), petruuiv (Expand Search)
petriuuiv » peteriuuiv (Expand Search), petriiuuiv (Expand Search), petruiuuiv (Expand Search)
petruouo » peteruouo (Expand Search), petriuouo (Expand Search), petruuouo (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 ((petriv OR (petruiv OR (petriuuiv OR petriuuiv))) OR ((petruouo OR peterui) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriv OR (petruiv OR (petriuuiv OR petriuuiv))) OR ((petruouo OR peterui) OR petr)) o.s.*".