Perhaps you should try some spelling variations:
petru » pentru (Expand Search), petri (Expand Search), peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petruuo » pentruuo (Expand Search), petriuo (Expand Search), peteruuo (Expand Search), petriuuo (Expand Search), petrouuo (Expand Search)
petrou » petro (Expand Search), petrov (Expand Search), petrow (Expand Search), peterou (Expand Search), petriou (Expand Search), petroou (Expand Search)
petriuo » peteriuo (Expand Search), petriiuo (Expand Search), petroiuo (Expand Search)
petriiuuo » peteriiuuo (Expand Search), petriiiuuo (Expand Search), petroiiuuo (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (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 (petru OR ((petrou OR (petriuo OR (petruuo OR petriiuuo))) OR (petr OR per))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (petru OR ((petrou OR (petriuo OR (petruuo OR petriiuuo))) OR (petr OR per))) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (petru OR ((petrou OR (petriuo OR (petruuo OR petriiuuo))) OR (petr OR per))) o.s.*.