Perhaps you should try some spelling variations:
petriiuov » peteriiuov (Expand Search), petriiiuov (Expand Search), petruiiuov (Expand Search)
petruiuov » peteruiuov (Expand Search), petriuiuov (Expand Search), petruuiuov (Expand Search)
petruiuiuov » peteruiuiuov (Expand Search), petriuiuiuov (Expand Search), petruuiuiuov (Expand Search)
petrui » peterui (Expand Search), petriui (Expand Search), petruui (Expand Search)
petruoi » peteruoi (Expand Search), petriuoi (Expand Search), petruuoi (Expand Search)
petruuoi » peteruuoi (Expand Search), petriuuoi (Expand Search), petruuuoi (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (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 (petruiuov OR petruiuiuov)) OR ((petrui OR (petruoi OR petruuoi)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriiuov OR (petruiuov OR petruiuiuov)) OR ((petrui OR (petruoi OR petruuoi)) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((petriiuov OR (petruiuov OR petruiuiuov)) OR ((petrui OR (petruoi OR petruuoi)) OR petr)) o.s.*.