Perhaps you should try some spelling variations:
petriiuuov » peteriiuuov (Expand Search), petriiiuuov (Expand Search), petruiiuuov (Expand Search)
petriov » peteriov (Expand Search), petriiov (Expand Search), petruiov (Expand Search)
petriuiov » peteriuiov (Expand Search), petriiuiov (Expand Search), petruiuiov (Expand Search)
petruiuiov » peteruiuiov (Expand Search), petriuiuiov (Expand Search), petruuiuiov (Expand Search)
petriuo » peteriuo (Expand Search), petriiuo (Expand Search), petruiuo (Expand Search)
petruv » peteruv (Expand Search), petriuv (Expand Search), petruuv (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: fop ((petriiuuov OR (petriov OR (petriuiov OR petruiuiov))) OR ((petriuo OR petruv) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriiuuov OR (petriov OR (petriuiov OR petruiuiov))) OR ((petriuo OR petruv) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((petriiuuov OR (petriov OR (petriuiov OR petruiuiov))) OR ((petriuo OR petruv) OR petr)) o.s.*.