"expand scope" is a correct and usable phrase in written English.
It is typically used when discussing the broadening or enlargement of the range, extent, or coverage of something. Example: The company plans to expand the scope of their business operations by entering new international markets.
The fraudsters operate with virtual impunity, so expanding the programmes simply risked expanding scope for corruption.
They want easy connectivity and expanded scope for customisation.
Despite the brevity of Fassbinder's career, his stylistic development was rapid, keeping pace with the expanding scope of his vision.
The other new aid programme is the expanded scope for IMF lending.
Even with the Studio Museum's expanding scope, African-American art will remain its focus.
It should not be burdened with an expanded scope and become a parallel mini-U.N.
The titles of Jakobson's works indicate the expanding scope of his research e.g., Kindersprache and Aphasie und allgemeine Lautgesetze (both 1941; Studies in Child-Language and Aphasia).
Were it not for the vastly expanded scope of the survey, the chemical oxygen demand level in 2007 would stand at only 5.3 percent higher than previously calculated, he said.
The result is a catalog of repairs and additions to the rusted infrastructure of a regulatory system that has failed to keep up with the expanding scope and complexity of modern finance.
Under an expanded scope of duties for the Bank of England, since a regulatory overhaul in April, Mr. Carney will also be responsible for ensuring the stability of the banking system and that institutions are well-capitalized.
The expanded scope, referred to as Redd+, includes moves to manage forests more sustainably and ensure greater conservation efforts.
