"thus gaining" is a correct and usable phrase in written English.
It is often used to indicate that something was gained as a result of a previous action or event. Here is an example: "The company implemented a new marketing strategy, thus gaining a larger customer base."
They are at their most unsettling when they start to crawl, thus gaining nuclear capability.
In addition, producers can deduct their capital costs, thus gaining a double benefit.
Thus, gaining the presidency would pose challenges to Mr. Morsi and the Brotherhood.
One nonpoisonous South American leptodactylid, Lithodytes lineatus, mimics the dendrobatid P. femoralis, thus gaining protection from predators.
He believed in free enterprise, thus gaining the trust of conservative elements, and thereby collected the funds that sustained the activities of the Indian National Congress.
For the sake of the latter, he occasionally struck bargains with his political opponents, thus gaining an undeserved reputation as an opportunist.
But I decided to go freelance, reserving my own rooms at the last minute, thus gaining some flexibility while saving additional tour charges.
Clinton decided that he would seek, among other tax proposals, to raise the sales tax by one per cent, thus gaining enough revenue to increase funding in all school districts, across the board.
[C3.] Toronto-Dominion Announces Deal Toronto-Dominion announced plans to acquire 51percentt of the Banknorth Group for $3.8 billion, thus gaining entrance into the United States consumer banking market through Banknorth's 350 branches.
Officials said it was a sign of his adroit political skill that he was able to issue what appeared to be dissenting opinions as concurrences, thus gaining influence over the final product.
At the same time, Iran has taken advantage of the cut in international funding to the Hamas-dominated Palestinian authority to make up its economic shortfall, thus gaining an even firmer foothold in the Palestinian territories.
