Perhaps you should try some spelling variations:
petroiuv » peteroiuv (Expand Search), petrioiuv (Expand Search), petrooiuv (Expand Search)
petrov » peterov (Expand Search), petriov (Expand Search), petroov (Expand Search)
petruuuv » peteruuuv (Expand Search), petriuuuv (Expand Search), petrouuuv (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petrui » peterui (Expand Search), petriui (Expand Search), petroui (Expand Search)
petr » peter (Expand Search), petri (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 (((petroiuv OR petrov) OR petruuuv) OR (((petru OR pero) OR (peteri OR petrui)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petroiuv OR petrov) OR petruuuv) OR (((petru OR pero) OR (peteri OR petrui)) OR petr)) o.s.*".