Perhaps you should try some spelling variations:
peterov » petrov (Expand Search)
petrooiuov » peterooiuov (Expand Search), petruooiuov (Expand Search), petroooiuov (Expand Search)
petroio » peteroio (Expand Search), petruoio (Expand Search), petrooio (Expand Search)
petruoio » peteruoio (Expand Search), petruuoio (Expand Search), petrouoio (Expand Search)
petr » peter (Expand Search), petru (Expand Search), petro (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (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 (((petrooiuov OR petrooiuov) OR peterov) OR ((petroio OR petruoio) OR (petr OR petri))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petrooiuov OR petrooiuov) OR peterov) OR ((petroio OR petruoio) OR (petr OR petri))) o.s.*".