Twitter Search feed is showing retweets and replies

When you're using Twitter search feeds, to avoid retweets, please use advanced search operators.

Here is an example search query which is excluding retweets and replies:

#somehashtag -filter:retweets -filter:replies 

Here is more info http://www.followthehashtag.com/help/hidden-twitter-search-operators-extra-power-followthehashtag/.