'expand it with' is correct and usable in written English.
You can use it when you are asking someone to provide additional details, information, or ideas. For example: "Please expand this report with more recent data."
She hopes to expand it with Rock, her golden retriever.
Aircell will start the service, called GoGo, with American Airlines this spring and then expand it with Virgin America over the summer.
You can go into another world or you can spend Pagies on your current world and expand it with new areas.
But it recently underwent a $60 million renovation sponsored by the city's Economic Development Corporation, which is now overseeing a proposal by private developers to expand it with a hotel, restaurant and specialty food market.
The wine list is fairly basic (though plans to expand it with more California brands are under way) and you can always order sangria, an imported beer or one of the dozen-plus tequilas.
So with philanthropic support, we were able to create a pilot program, get it off the ground, tinker with it, prove it worked — and only then expand it with city funds.
POSTBOX inherits the availability of highly available Berkeley DB, and expands it with data partition.
More classical music led into Hank Williams's "Your Cheatin' Heart," with Mr. Roberts adapting the vocal part, expanding it with improvisation.
James Feldmeyer, a pharmacist, bought the home in 1903 and expanded it with a one-story addition in the back.
This shows promising to further development and refinement of the approach by expanding it with other potential factors to eventually build a robust user differentiation subsystem.
All day it had been like that, said Mr. Rodriguez — New York women (yes, all were female) coming into a small space and expanding it with their inner thoughts.
