The phrase "a range of keywords" is correct and usable in written English.
It can be used when referring to a variety of specific words or phrases that are relevant to a particular topic or subject.
Example: "To improve your search engine optimization, it's important to identify a range of keywords that potential customers might use."
Alternatives: "a variety of keywords" or "a selection of keywords".
We searched PubMed (2010), Web of Science (Thomson Reuters 2010), and Google Scholar (2010) using a range of keywords to identify studies with measurements of pollutant gradients.
In these search strategies we used a range of keywords relating to economic impacts of health shocks on households and coping strategies in LMICs (health shocks/illness/death, medical expenditure, OOP health payments, catastrophic expenditure, labour supply loss, income loss, non-medical consumption, poverty/impoverishment, coping strategy).
Through Hour.ly, workers and potential employers get matched automatically, based on their location, availability within a range of time, keywords, multiple job functions that a worker would be willing and able to do, rate of pay, and experience.
This way, they can cover a wide range of keywords when you're searching for an app in the App Store.
"We searched our databases with a wide range of keywords in co-operation with the police".
We categorize a wide range of keywords found in job ads into ten general skills.
To minimize missing relevant articles we had chosen a broad range of keywords related to disaster.
Tellingly, the Wisconsin GOP asked for Cronon-authored emails that contain a range of union-related keywords, such as "AFSCME," "collective bargaining," "recall," etc. It's a remarkable request, as TPM notes.
That means users can search by a range of things beyond keywords — for example, by season, style, location, color palette, themes or trends.
Using Curator, companies can find and filter these tweets by a range of factors, including keywords, authors (@ handles), location, language, time zone, follower count, number of retweets or favorites, verified users and much more.
While quantity alone isn't enough to increase your rankings, this does give you more potential targets, and a more diverse range of keywords to rank for.
