WASHINGTON, July 2 — Exasperated by his party's failure to cut government spending, Senator Tom Coburn, Republican of Oklahoma, is seeking cyberhelp. Mr. Coburn wants to create a public database, searchable over the Internet, that would list most government contracts and grants — exposing hundreds of billions in annual spending to instant desktop view. Type in "Halliburton," the military contractor, or "Sierra Club," the environmental group, for example, and a search engine would show all the federal money they receive. A search for the terms "Alaska" and "bridges" would expose a certain $315 million span to Gravina Island (population 50)...