Perhaps you should try some spelling variations:
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)
petrui » peterui (Expand Search), petriui (Expand Search), petruui (Expand Search), petri (Expand Search), petru (Expand Search)
petruuooi » peteruuooi (Expand Search), petriuuooi (Expand Search), petruuuooi (Expand Search)
petriov » peteriov (Expand Search), petriiov (Expand Search), petruiov (Expand Search)
petruuiov » peteruuiov (Expand Search), petriuuiov (Expand Search), petruuuiov (Expand Search)
petrov » peterov (Expand Search), petriov (Expand Search), petruov (Expand Search), petro (Expand Search)
petruiuov » peteruiuov (Expand Search), petriuiuov (Expand Search), petruuiuov (Expand Search), petriuov (Expand Search), petruuov (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petr OR (petrui OR petruuooi)) OR ((petriov OR petruuiov) OR (petrov OR petruiuov))) _. s.~".
• Adding a wildcard symbol may retrieve word variants: fop ((petr OR (petrui OR petruuooi)) OR ((petriov OR petruuiov) OR (petrov OR petruiuov))) _. s.*.