Require developer access to make it work. It should be easy to get as a student. But you have to request it on developer in your twitter settings.
devtools::install_github("robertwwalker/TweetClouds")
## Skipping install of 'TweetClouds' from a github remote, the SHA1 (89b9eb60) has not changed since last install.
## Use `force = TRUE` to force installation
Search2Cloud()
Tweeter2Cloud()
TweeterBiGram2Cloud
library(TweetClouds)
TweeterBiGram2Cloud("realDonaldTrump")