When building a Google Paid Search campaign, you should use Keywords to promote your ad.

Keywords can be words or phrases describing your product or service related to your AD, and it will help channel to determine by who and when your ad can visible.

Limitations and Validation:

Tips and Tricks

Note. In case you paste a list of keywords including currently not supported, or duplicates (existing on Library), the platform will automatically remove it from your list and those are not going to be displayed.