Perhaps you should try some spelling variations:
petruw » petrow (Expand Search), pentruw (Expand Search), petriw (Expand Search), peteruw (Expand Search), petriuw (Expand Search), petrouw (Expand Search)
petru » pentru (Expand Search), petri (Expand Search), peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
peterow » petrow (Expand Search)
petriuw » peteriuw (Expand Search), petriiuw (Expand Search), petroiuw (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (Expand Search)
petriui » peteriui (Expand Search), petriiui (Expand Search), petroiui (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 ((((((petruw OR petru) OR petriuw) OR peterow) OR peterow) o) OR ((petr OR petriui) _)). s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((((petruw OR petru) OR petriuw) OR peterow) OR peterow) o) OR ((petr OR petriui) _)). s.".
• Adding a wildcard symbol may retrieve word variants: fop ((((((petruw OR petru) OR petriuw) OR peterow) OR peterow) o) OR ((petr OR petriui) _)). s.*.