Perhaps you should try some spelling variations:
peterov » petrov (Expand Search)
petrooiiuov » petruooiiuov (Expand Search), petroooiiuov (Expand Search), perooiiuov (Expand Search)
petr » petru (Expand Search), petro (Expand Search), per (Expand Search)
petrou » petruou (Expand Search), petroou (Expand Search), perou (Expand Search), petru (Expand Search), petro (Expand Search), petrov (Expand Search)
petri » petrui (Expand Search), petroi (Expand Search), peri (Expand Search)
peteru » petru (Expand Search), peters (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 (((petrooiiuov OR peterov) OR (petr OR (petrou OR peteru))) OR (peter OR petri)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petrooiiuov OR peterov) OR (petr OR (petrou OR peteru))) OR (peter OR petri)) o.s.*".