Hi @EricGaliza, the docs read:
Before getting involved, it’s important to know that the Search API is focused on relevance and not completeness. This means that some Tweets and users may be missing from search results. If you want to match for completeness you should consider using a Streaming API instead.
For your purpose I would strongly recommend POST statuses/filter. The streaming API will only return up to 1% of all Twitter volume, but that is generally enough. Polling the search API is not going to give you accurate results.