Perhaps you should try some spelling variations:
petre » petro (Expand Search), petra (Expand Search), petere (Expand Search), petroe (Expand Search)
petr » peter (Expand Search), petro (Expand Search)
petriov » peteriov (Expand Search), petroiov (Expand Search)
petrov » peterov (Expand Search), petroov (Expand Search), petro (Expand Search)
petrouv » peterouv (Expand Search), petroouv (Expand Search)
petru » peteru (Expand Search), petrou (Expand Search), pentru (Expand Search)
petri » peteri (Expand Search), petroi (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 ((petre OR petr) OR ((petriov OR (petrov OR petrouv)) OR (petru OR (per OR petri)))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petre OR petr) OR ((petriov OR (petrov OR petrouv)) OR (petru OR (per OR petri)))) o.s.*".