Get pure relevant natural Links specially related to your domain & Try to expend your content though to Blogs.
one of the important thing is a factor that contribute is the number of the links pointing to that page.for example the quality of your links should be better. your title tag should be sandwiched between HTML <TITLE> tags in the web page.otherwise your site will be the search result for the NEW DOCUMENT If u want the more quality in your website then your page should have good quality of words for search engine
Target the right keywords. I have seen many sites targeting the wrong keywords which are not related to the site's theme. You can also hire an expert online for few cents. I'd suggest you to try SEOClerks, because I think it is the best site to hire an expert who can help you in improving google ranking at a cheap rate.