Perhaps you should try some spelling variations:
"fop petruv OR petroio OR petrioio OR pero OR per OR petru OR petr OR peter o.s.*" » "fop petrov OR petroio OR petrioio OR pero OR per OR petru OR petr OR peter o.s.*" (Expand Search), "fop petruv OR petroio OR petrioio OR petro OR per OR petru OR petr OR peter o.s.*" (Expand Search), "fop petruv OR petroio OR petrioio OR pro OR per OR petru OR petr OR peter o.s.*" (Expand Search), "fop pentruv OR petroio OR petrioio OR pero OR per OR pentru OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petroio OR petrioio OR pero OR per OR petri OR petr OR peter o.s.*" (Expand Search), "fop petriuv OR petrioio OR petriioio OR pero OR per OR petriu OR petri OR peter o.s.*" (Expand Search), "fop petrouv OR petrooio OR petroioio OR pero OR per OR petrou OR petro OR peter 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 (petruv OR ((((petroio OR petrioio) OR (pero OR per)) OR petru) OR (petr OR peter))) o.s.*.