In your case it's time to add some staff to add features like this.
However Facebook is not a blog platform and FB controls what you can do on their platform tightly. So you've lost me here as blogging is not done on FB.
Advice: Pick a blogging platform that does what you want or add staff to create your site and features.
i have a blog named bdtipstech and i want to add social share content locker to increase visitor and social activity.I can,t found any script that script fine.most of script i found by goggle search does not work for facebook. pleas give a solution