Perhaps you should try some spelling variations:
petriuow » petrow (Expand Search), peteriuow (Expand Search), petriiuow (Expand Search), petruiuow (Expand Search)
petruow » peteruow (Expand Search), petriuow (Expand Search), petruuow (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)
petrui » peterui (Expand Search), petriui (Expand Search), petruui (Expand Search)
petriuui » peteriuui (Expand Search), petriiuui (Expand Search), petruiuui (Expand Search)
petrouui » peterouui (Expand Search), petriouui (Expand Search), petruouui (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 ((((petruow OR petriuow) OR petr) o) OR ((peteri OR (petrui OR (petriuui OR petrouui))) _)). s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((petruow OR petriuow) OR petr) o) OR ((peteri OR (petrui OR (petriuui OR petrouui))) _)). s.".
• Adding a wildcard symbol may retrieve word variants: fop ((((petruow OR petriuow) OR petr) o) OR ((peteri OR (petrui OR (petriuui OR petrouui))) _)). s.*.