Perhaps you should try some spelling variations:
petriiv » peteriiv (Expand Search), petriiiv (Expand Search), petroiiv (Expand Search)
petruiuiv » peteruiuiv (Expand Search), petriuiuiv (Expand Search), petrouiuiv (Expand Search)
petroiuiuiv » peteroiuiuiv (Expand Search), petrioiuiuiv (Expand Search), petrooiuiuiv (Expand Search)
petrouuiv » peterouuiv (Expand Search), petriouuiv (Expand Search), petroouuiv (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (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 ((petriiv OR ((peterdi OR (petruiuiv OR petroiuiuiv)) OR petrouuiv)) OR (petru OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriiv OR ((peterdi OR (petruiuiv OR petroiuiuiv)) OR petrouuiv)) OR (petru OR petr)) o.s.*".