Dan and Gil Harrington are using the donations to print and distribute fliers and other material with a photo and description of 20-year-old Morgan Dana
Harrington, a spokeswoman said.
The Harringtons distributed 50,000 fliers at Virginia Tech's home football game last week.
Virginia State Police spokeswoman Corinne Geller said Monday that police are still getting leads in the case, but they have slowed down.
The Harrington's have offered a $100,000 reward in the search for their daughter. Metallica pitched in $50,000.