Perhaps you should try some spelling variations:
petroiov » petrov (Expand Search), peteroiov (Expand Search), petrioiov (Expand Search), petrooiov (Expand Search)
peri » petri (Expand Search), per (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petruo » peteruo (Expand Search), petriuo (Expand Search), petrouo (Expand Search)
petriouuo » peteriouuo (Expand Search), petriiouuo (Expand Search), petroiouuo (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 peterov) OR (((((petru OR petruo) OR pero) OR petriouuo) OR peri) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petroiov OR peterov) OR (((((petru OR petruo) OR pero) OR petriouuo) OR peri) OR petr)) o.s.*".