Perhaps you should try some spelling variations:
"fop petriov OR petroiui OR petrovici OR petrii OR petru OR petr OR peter o.s.*" » "fop petrov OR petroiui OR petrovici OR petrii OR petru OR petr OR peter o.s.*" (Expand Search), "fop petriov OR petroiui OR petrovici OR petri OR petru OR petr OR peter o.s.*" (Expand Search), "fop petriov OR petroiui OR petrovici OR petris OR petru OR petr OR peter o.s.*" (Expand Search), "fop petriov OR petroiui OR petrovici OR petrii OR pentru OR petr OR peter o.s.*" (Expand Search), "fop petriov OR petroiui OR petrovici OR petrii OR petri OR petr OR peter o.s.*" (Expand Search), "fop petriiov OR petrioiui OR petriovici OR petriii OR petriu OR petri OR peter o.s.*" (Expand Search), "fop petroiov OR petrooiui OR petroovici OR petroii OR petrou OR petro OR peter o.s.*" (Expand Search), "fop periov OR peroiui OR perovici OR perii OR peru OR per 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 ((petriov OR (((petroiui OR petrovici) OR petrii) OR petru)) OR (petr OR peter)) o.s.*.