Perhaps you should try some spelling variations:
"fop petrov OR petruv OR peteriuv OR peteruv OR petrou OR petru OR petri o.s.*" » "fop petro OR petruv OR peteriuv OR peteruv OR petrou OR petru OR petri o.s.*" (Expand Search), "fop petrov OR petruv OR peteriuv OR peteruv OR petro OR petru OR petri o.s.*" (Expand Search), "fop petrov OR petruv OR peteriuv OR peteruv OR petrow OR petru OR petri o.s.*" (Expand Search), "fop petrov OR pentruv OR peteriuv OR peteruv OR petrou OR pentru OR petri o.s.*" (Expand Search)

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

• Removing quotes may allow a broader search: fop ((petrov OR ((petruv OR peteriuv) OR peteruv)) OR (petrou OR (petru OR petri))) o.s.*.