Perhaps you should try some spelling variations:
petruouv » petrov (Expand Search), peteruouv (Expand Search), petriuouv (Expand Search), petruuouv (Expand Search)
peteriui » peterdi (Expand Search)
petruuuv » peteruuuv (Expand Search), petriuuuv (Expand Search), petruuuuv (Expand Search)
petruuouv » peteruuouv (Expand Search), petriuuouv (Expand Search), petruuuouv (Expand Search)
petrui » peterui (Expand Search), petriui (Expand Search), petruui (Expand Search)
petriiui » peteriiui (Expand Search), petriiiui (Expand Search), petruiiui (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (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 ((petruuuv OR (petruouv OR petruuouv)) OR ((petrui OR (petriiui OR peteriui)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruuuv OR (petruouv OR petruuouv)) OR ((petrui OR (petriiui OR peteriui)) OR petr)) o.s.*".