It all depends on the keyword strength of your blog so when ever you write a post keep these points in your mind.
1. Search before on the topic on google or any other search with different possible keywords to get an idea which keywords to include in your post.
2. Select a different title for your post with some highly rated keywords specific to the topic.
3. Include the keywords intelligently in your post content.
I dont knw much i request amit to please throw some more light on this topic.