Perhaps you should try some spelling variations:
petriuuv » peteriuuv (Expand Search), petriiuuv (Expand Search), petroiuuv (Expand Search)
petriiiuuv » peteriiiuuv (Expand Search), petriiiiuuv (Expand Search), petroiiiuuv (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petruio » peteruio (Expand Search), petriuio (Expand Search), petrouio (Expand Search)
petruo » peteruo (Expand Search), petriuo (Expand Search), petrouo (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (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 ((peteruuv OR (petriuuv OR petriiiuuv)) OR (((petru OR petruio) OR petruo) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteruuv OR (petriuuv OR petriiiuuv)) OR (((petru OR petruio) OR petruo) OR petr)) o.s.*".