Hi blogger, i found this post on 22 spot in google's search results.
I'm sure that your low rankings are caused by hi bounce rate.
This is very important ranking factor. One of the biggest reason for high bounce rate is due to visitors hitting the back button. The higher 
your bounce rate the further down the search results your posts and pages will end 
up, so having reasonably low bounce rate is important for improving your rankings naturally.
There is very useful wp plugin which can help you.

Just search in google for:
Seyiny's Bounce Plugin