Hello thilanwij! There is a way to make money online here at HubPages. Many Hubbers are seeing decent earnings through the Affiliate Advertising Programs. If you would like to learn how to sign-up for them and how to properly use the ads in your Hubs, check out this Hub Article: http://hubpages.com/t/2ddcd1
As far as getting more views and traffic, there are a lot of things you can do! Check out these links for some ideas:
I hope these links are useful to you! Good luck and Happy Hubbing!