Perhaps you should try some spelling variations:
petero » peter (Expand Search), peters (Expand Search), petro (Expand Search)
petriuiv » peteriuiv (Expand Search), petruiuiv (Expand Search), petroiuiv (Expand Search)
petriuiuo » peteriuiuo (Expand Search), petruiuiuo (Expand Search), petroiuiuo (Expand Search)
petruuiuo » peteruuiuo (Expand Search), petruuuiuo (Expand Search), petrouuiuo (Expand Search)
petr » peter (Expand Search), petru (Expand Search), petro (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (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 (petriuiv OR ((petero OR (petriuiuo OR petruuiuo)) OR (petr OR petri))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (petriuiv OR ((petero OR (petriuiuo OR petruuiuo)) OR (petr OR petri))) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (petriuiv OR ((petero OR (petriuiuo OR petruuiuo)) OR (petr OR petri))) o.s.*.