In order to show you the most relevant results, we have omitted some entries very similar to the 637 already displayed. If you like, you can repeat the search with the omitted results included. if you search in google. you will found this in end of serp. if you click it google will give you full serp(with &filter=0 added). stranger thing is. my site for main keyword not in serp.(google give you at most 80 serps. ) but when i search with " omitted results included", i found my site list in about #30 page. very strange. why? how to do to let my site list in common serp?
Google thinks your site is "least important". There is only one way that I know, build more relevant backlinks.