How to increase my earnings after what I’ve done so far

Here is what I have done so far :
– I write about Programming Languages (Visual Basic)
– I have 75 posts in my blog
– My blog (@ Blogspot.com) is 4 years old .
– I rank in Google search in the the first 4 results for the keyword that I'm targeting.
– I used AdSense in my blog 3 years ago, but I did not pay much attention because I'm a freelancer and I kinda did not have the time.
– I searched for a high competition Keyword with high CPC that matches my blog goal [Visual Basic Online Course], I…
How to increase my earnings after what I've done so far

See original post by evry1falls