Perhaps you should try some spelling variations:
petruiov » petrov (Expand Search), peteruiov (Expand Search), petruuiov (Expand Search), petrouiov (Expand Search)
peteriiv » peterdi (Expand Search)
petruuuov » peteruuuov (Expand Search), petruuuuov (Expand Search), petrouuuov (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (Expand Search)
petruuv » peteruuv (Expand Search), petruuuv (Expand Search), petrouuv (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 ((petruuuov OR petruiov) OR ((petri OR (petruuv OR (peteriiv OR peteriiv))) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruuuov OR petruiov) OR ((petri OR (petruuv OR (peteriiv OR peteriiv))) OR petr)) o.s.*".