"broader expansion" is correct and usable in written English.
You can use it when you want to refer to a process of growth or development that is wider in scope than before. For example, "The company's success is due to its broader expansion into the European market."
The Greene Center will be built at 125th Street and Broadway and will be part of the university's broader expansion into that area, Dr. Bollinger said.
Because that proposal would save less money than the robust option, House leaders are planning to couple it with a broader expansion of Medicaid.
Brazil's rise as an oil power is part of a broader expansion of the Western Hemisphere's energy output, especially in the United States and Canada.
The stake was part of a broader expansion started in mid-2002 by the company's executive director, Ho Ching, formerly head of government-owned Singapore Technologies and wife of Singapore's prime minister, Lee Hsien Loong.
The Bush administration had pushed for immediate passage of legislation to grant immunity to the phone companies as part of a broader expansion of the N.S.A.'s wiretapping authorities.
Broader expansion will mean working with other airlines, to circumvent red tape, although consumers will fly in aircraft branded with Fastjet's African grey parrot logo and book through the same website.
Our previous and current efforts at reconstructing the E. coli metabolic GEM-PRO have enabled in silico exploration of diverse forms of physicochemical stress, but much broader expansions are likely to emerge and enable still more diverse avenues of investigation.
CINCINNATI, Aug. 11 — The Ohio Civil Rights Commission is pushing for a broad expansion of benefits for pregnant workers.
The result was a broad expansion in government spending and intervention in all the richer economies.
In fact, a recent Department of Criminal Justice Services document shows that a broad expansion of DNA collection would offer diminishing returns.
BEYOND Mr. Malafaia, the broad expansion of evangelical faiths, particularly Pentecostalism, in recent decades is altering Brazil's politics.
