Perhaps you should try some spelling variations:
petriuov » petrov (Expand Search)
petruuov » petrov (Expand Search), pentruuov (Expand Search), petriuov (Expand Search)
petriiov » petrov (Expand Search)
petro » petrov (Expand Search), petri (Expand Search), petr (Expand Search)
petruiuov » pentruiuov (Expand Search), petriiuov (Expand Search)
petruio » pentruio (Expand Search), petriio (Expand Search)
petru » pentru (Expand Search), petri (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 ((((petriuov OR petruuov) OR petruiuov) OR petriiov) OR ((petro OR petruio) OR petru)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((petriuov OR petruuov) OR petruiuov) OR petriiov) OR ((petro OR petruio) OR petru)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((((petriuov OR petruuov) OR petruiuov) OR petriiov) OR ((petro OR petruio) OR petru)) o.s.*.