Perhaps you should try some spelling variations:
petroiov » petrov (Expand Search), peteroiov (Expand Search), petrioiov (Expand Search), petrooiov (Expand Search)
peteriiu » peterdi (Expand Search)
petriiioiov » peteriiioiov (Expand Search), petriiiioiov (Expand Search), petroiiioiov (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petriu » peteriu (Expand Search), petriiu (Expand Search), petroiu (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 ((petroiov OR petriiioiov) OR (((petru OR peteru) OR (petriu OR peteriiu)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petroiov OR petriiioiov) OR (((petru OR peteru) OR (petriu OR peteriiu)) OR petr)) o.s.*".