Perhaps you should try some spelling variations:
petrouv » petrov (Expand Search), petruouv (Expand Search), petroouv (Expand Search), perouv (Expand Search)
peteru » petru (Expand Search), peters (Expand Search)
peteruo » petruo (Expand Search), peterso (Expand Search)
petriu » petru (Expand Search), petris (Expand Search), petruiu (Expand Search), petroiu (Expand Search), periu (Expand Search)
petr » petru (Expand Search), petro (Expand Search), per (Expand Search)
petri » petrui (Expand Search), petroi (Expand Search), peri (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: fop (petrouv OR (((peteru OR (petriu OR petriu)) OR peteruo) OR ((petr OR petri) OR peter))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (petrouv OR (((peteru OR (petriu OR petriu)) OR peteruo) OR ((petr OR petri) OR peter))) o.s.*".