Perhaps you should try some spelling variations:
petruiuuv » pentruiuuv (Expand Search), peteruiuuv (Expand Search), petrouiuuv (Expand Search), peruiuuv (Expand Search)
petru » pentru (Expand Search), peteru (Expand Search), petrou (Expand Search), peru (Expand Search)
peteru » peter (Expand Search), peters (Expand Search)
petrouuui » peterouuui (Expand Search), petroouuui (Expand Search), perouuui (Expand Search)
petr » peter (Expand Search), petro (Expand Search), per (Expand Search)
petri » peteri (Expand Search), petroi (Expand Search), peri (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 ((petruiuuv OR periiuv) OR (((petru OR peteru) OR petrouuui) OR (petr OR petri))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruiuuv OR periiuv) OR (((petru OR peteru) OR petrouuui) OR (petr OR petri))) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((petruiuuv OR periiuv) OR (((petru OR peteru) OR petrouuui) OR (petr OR petri))) o.s.*.