How to get tweets that don't contain chosen words?

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Getting tweets that don't contain some chosen words
2. Starting searching tweets from some position
3.

What is the expected output? What do you see instead?
Get tweet which doesn't contain some word or phrase that I chose
Get last 20 tweets and start looking for from last one
What version of the product are you using? On what operating system?
Latest version

Please provide any additional information below.

Original issue reported on code.google.com by [email protected] on 15 Jan 2014 at 3:24