Perhaps you should try some spelling variations:
peteruiv » peterdi (Expand Search)
petriuiv » peteriuiv (Expand Search), petriiuiv (Expand Search), petroiuiv (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petruov » peteruov (Expand Search), petriuov (Expand Search), petrouov (Expand Search)
petriuuov » peteriuuov (Expand Search), petriiuuov (Expand Search), petroiuuov (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 ((petriuiv OR peteruiv) OR ((petru OR (petruov OR (petriuuov OR petriuuov))) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriuiv OR peteruiv) OR ((petru OR (petruov OR (petriuuov OR petriuuov))) OR petr)) o.s.*".