Perhaps you should try some spelling variations:
petruv » petru (Expand Search), petrov (Expand Search), peteruv (Expand Search), petriuv (Expand Search), petruuv (Expand Search)
petris » petri (Expand Search), peteris (Expand Search), petriis (Expand Search), petruis (Expand Search)
petruuuv » peteruuuv (Expand Search), petriuuuv (Expand Search), petruuuuv (Expand Search)
petruuuuv » peteruuuuv (Expand Search), petriuuuuv (Expand Search), petruuuuuv (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)
peteri » peter (Expand Search), petri (Expand Search), peters (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 ((petruv OR (petruuuv OR petruuuuv)) OR (petris OR (petr OR (peteri OR peterdi)))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruv OR (petruuuv OR petruuuuv)) OR (petris OR (petr OR (peteri OR peterdi)))) o.s.*".