Perhaps you should try some spelling variations:
peteruov » petrov (Expand Search)
petruouov » peteruouov (Expand Search), petriuouov (Expand Search), petruuouov (Expand Search)
petrououov » peterououov (Expand Search), petriououov (Expand Search), petruououov (Expand Search)
petrui » peterui (Expand Search), petriui (Expand Search), petruui (Expand Search)
petrouo » peterouo (Expand Search), petriouo (Expand Search), petruouo (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 ((peteruov OR (petruouov OR petrououov)) OR ((petrui OR petrouo) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteruov OR (petruouov OR petrououov)) OR ((petrui OR petrouo) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((peteruov OR (petruouov OR petrououov)) OR ((petrui OR petrouo) OR petr)) o.s.*.