Perhaps you should try some spelling variations:
petrov » petro (Expand Search), petriov (Expand Search), petruov (Expand Search), petroov (Expand Search)
petriiuiv » petriiiuiv (Expand Search), petruiiuiv (Expand Search), petroiiuiv (Expand Search)
petruuiv » petriuuiv (Expand Search), petruuuiv (Expand Search), petrouuiv (Expand Search)
petrouuiv » petriouuiv (Expand Search), petruouuiv (Expand Search), petroouuiv (Expand Search)
petriuio » petriiuio (Expand Search), petruiuio (Expand Search), petroiuio (Expand Search)
petr » petri (Expand Search), petru (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 ((petrov OR (petriiuiv OR (petruuiv OR petrouuiv))) OR (petriuio OR (petr OR peter))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petrov OR (petriiuiv OR (petruuiv OR petrouuiv))) OR (petriuio OR (petr OR peter))) o.s.*".