Perhaps you should try some spelling variations:
petriiuov » peteriiuov (Expand Search), petriiiuov (Expand Search), petroiiuov (Expand Search)
petriov » peteriov (Expand Search), petriiov (Expand Search), petroiov (Expand Search)
petruiiov » peteruiiov (Expand Search), petriuiiov (Expand Search), petrouiiov (Expand Search)
petruuiiov » peteruuiiov (Expand Search), petriuuiiov (Expand Search), petrouuiiov (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petriuiio » peteriuiio (Expand Search), petriiuiio (Expand Search), petroiuiio (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: fop (((petriiuov OR petriov) OR (petruiiov OR petruuiiov)) OR ((petru OR petriuiio) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriiuov OR petriov) OR (petruiiov OR petruuiiov)) OR ((petru OR petriuiio) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (((petriiuov OR petriov) OR (petruiiov OR petruuiiov)) OR ((petru OR petriuiio) OR petr)) o.s.*.