The part of the sentence "bolster the popularity" is correct and can be used in written English.
You can use it to express the act of increasing or improving the popularity of something. For example, "Investing in marketing will bolster the popularity of our new product."
Royalists are hoping that Felipe VI, so far untouched by any scandals, will help bolster the popularity of Spain's monarchy, whose approval ratings have hovered at record lows in recent years.
Microsoft announced yesterday that it was extending the online gaming service for its Xbox consoles to the millions of people who use Windows PCs to play games over the Internet, a move that could bolster the popularity — and profits — of video gaming.
In Japan, higher prices for other types of energy have bolstered the popularity of solar power.
In Libya, the reports of the arrests appear to be bolstering the popularity of Prime Minister Ali Zeidan, who is struggling to retain the support of Libya's fractious transitional Parliament.
In the coming years, even as Fidel Castro approaches the twilight of his power, we will perceive that our policy had the unintended consequence of bolstering the popularity of his embattled regime.
The council asked Stanford Law School's Criminal Justice Center to study the effectiveness and safety of Tasers and other "electronic control weapons" ahead of their decision, resulting in a report released this week that questions many of the claims that have bolstered the popularity of such shock devices in recent years, including their ability to minimize the use of lethal force by officers.
But farmers and the donors have balked at taking part in the land redistribution program, which has been dogged by violence and cronyism ever since it was revived two years ago in what is widely viewed as a tactic to bolster the waning popularity of Mr. Mugabe.
The party used symbols such as the Blood Flag and rituals such as the Nazi party rallies to foster unity and bolster the regime's popularity.
BERLIN — Leaders from Chancellor Angela Merkel's coalition agreed Monday on a raft of changes to social welfare programs aimed at easing costs for average Germans, to bolster the government's sagging popularity less than a year before parliamentary elections.
The revelation on the final day of Labour's autumn conference threatened to take the gloss off carefully orchestrated and largely successful attempts to bolster the prime minister's popularity and present a united front at the Manchester gathering.
Sites like Shopping.com's Epinions have other methods to bolster the credibility of reviews, like popularity ratings for individual reviewers, but others, like Shopzilla, lack such features.
