'further promotion' is a correct and usable phrase in written English.
You can use it when referring to additional marketing or advertising efforts. For example, "The company invested in further promotion of the product to increase sales."
Cyrus is seen making promotional appearances for further promotion of Bangerz in the three months before its release.
Doing so and posting the photo triggers a hashtag to appear inside the tweet, which makes it discoverable to Pepsi — perhaps for further promotion or competitions — and that, in turn, helps promote the brand in a different way on Twitter.
The autumn offers Baker an opportunity for further promotion.
A further promotion soon catapulted him to the top spot in Company G.
The tie-up with Sky as a sponsor has also benefited the sport in Britain, bringing exposure, acceptability and a platform for further promotion.
She left Lucent in August 2000, when she saw little room for further promotion under the chief executive at the time, Mr. McGinn.
He's now set up a crowdfunding page to purchase outdoor advertising and further promotion for his unproduced screenplay, which he promises is "well-crafted and brilliantly funny".
Upon realising that she could not expect further promotion, she stormed off in a fashion calculated to damage David Cameron.This is mostly unfair.
He was quickly promoted to assistant private secretary for Brandon Lewis, at the same grade as the fast streamers, and soon surpassed his colleagues, securing a further promotion with management responsibilities very few fast streamers have.
Women have been consecrated as bishops in many parts of the worldwide Anglican communion since 1989, and as priests in England since 1994, but opponents put up a long resistance to their further promotion, which only became possible last autumn.
It also complained about a further promotion involving the same strawberries in which Tesco offered a free pot of single cream with each punnet but then removed the free cream offer, returning the strawberries to their "half-price" status.
