To search for a specific hearing, select the Advanced search tab in GovInfo. You can use the date range and keyword fields to pinpoint the hearing you need, but be sure to also choose "Congressional Hearings" from the center column before you search:
Older hearings (pre-1980's) may not be available online without a subscription. If none of the above resources is helpful in locating what you needed, you may be able to ask our Interlibrary Loan service if they can obtain the hearing for you.