Question

When people search for your client's watch repair business, they use very specific terms like "vintage repairs". to show your ads for these searches, you'll want to use:?

Answer 1

You should use exact match keywords. Exact match is a type of keyword match used by Google AdWords that will show an ad for your business when someone searches for these exact keywords or key phrases. It will only work when a perfect match or incredibly close variant of the keywords is searched.

Answer 2

Google AdWords 

Google AdWords is an advertising service developed by Google which enables individuals or businesses to display their ads or links to their website in a way that makes it easy for target customers can easily find them.

Advertisers pay Google for each click their website gets. In this case, Google AdWords can help your client by making sure their website appears in the first few search results when visitors look up "vintage repairs"