just a tip of advice.
start watching your twitter analytics, and see how many impressions you get for each tweet, what is the tweets' engagemnet, and a lot of other usefull informations. You can also see what is the best hour for twitting.
To go to your analytics pages, just type "analytics.twitter.com" while you are loged in.
Keep in mind that tweets with photos get noticed, drive more engagement and generate more responses.
Also, stop following accounts just to get followers back, and try to use proper #hashtags.