Perhaps you should try some spelling variations:
"fop petriiv OR petriiiv OR pero OR perio OR petru OR per OR petr OR peter o.s.*" » "fop petriiv OR petriiiv OR petro OR perio OR petru OR per OR petr OR peter o.s.*" (Expand Search), "fop petriiv OR petriiiv OR pro OR perio OR petru OR per OR petr OR peter o.s.*" (Expand Search), "fop petriiv OR petriiiv OR pero OR perio OR pentru OR per OR petr OR peter o.s.*" (Expand Search), "fop petriiv OR petriiiv OR pero OR perio OR petri OR per OR petr OR peter o.s.*" (Expand Search), "fop petriiiv OR petriiiiv OR pero OR perio OR petriu OR per OR petri OR peter o.s.*" (Expand Search), "fop petroiiv OR petroiiiv OR pero OR perio OR petrou OR per 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 ((petriiv OR petriiiv) OR ((((pero OR perio) OR petru) OR per) OR (petr OR peter))) o.s.*.