Perhaps you should try some spelling variations:
petroiov » petrov (Expand Search), peteroiov (Expand Search), petruoiov (Expand Search), petrooiov (Expand Search)
petroiiv » petrov (Expand Search), peteroiiv (Expand Search), petruoiiv (Expand Search), petrooiiv (Expand Search)
petroiv » peteroiv (Expand Search), petruoiv (Expand Search), petrooiv (Expand Search)
petruouiiiv » peteruouiiiv (Expand Search), petruuouiiiv (Expand Search), petrououiiiv (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 (((petroiov OR peterov) OR (petroiv OR (petroiiv OR petruouiiiv))) OR (petri OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petroiov OR peterov) OR (petroiv OR (petroiiv OR petruouiiiv))) OR (petri OR petr)) o.s.*".