There are many ways to describe cannabis informally. When searching for research/scholarly sources on cannabis, you will likely have the best results if you use one of the following terms:
- cannabis
- marijuana
- weed
- drugs
Note that using the term drugs in your search might include results related to cannabis, but it may include results that aren't directly tied to cannabis as well. Additionally, the following terms may generate limited or no results given that they are informal terms for cannabis and may not be the terms used by authors in their works:
- chronic
- devil's lettuce
- herb