ShayeRyanon Stack Overflow • Recommends
On “Gmail filter "has words" - How to include multiple AND queries?”
If you want to add multiple words, you need to use quotes, and OR to separate words like so "word1" OR "word2" OR "word3"
I found this especially useful when trying to get rid of all the privacy policy emails I've been getting slammed with lately. This short tutorial explains it. link to this video