Perhaps you should try some spelling variations:
petriov » peteriov (Expand Search), petriiov (Expand Search), petruiov (Expand Search)
petroov » peteroov (Expand Search), petrioov (Expand Search), petruoov (Expand Search)
petruuiuov » peteruuiuov (Expand Search), petriuuiuov (Expand Search), petruuuiuov (Expand Search)
petroiuov » peteroiuov (Expand Search), petrioiuov (Expand Search), petruoiuov (Expand Search)
petruoiuov » peteruoiuov (Expand Search), petriuoiuov (Expand Search), petruuoiuov (Expand Search)
petrou » peterou (Expand Search), petriou (Expand Search), petruou (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (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 (((petriov OR petroov) OR (petruuiuov OR (petroiuov OR petruoiuov))) OR (petrou OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriov OR petroov) OR (petruuiuov OR (petroiuov OR petruoiuov))) OR (petrou OR petr)) o.s.*".