ProQuest's Dissertations and Theses products include a massive amount of information about dissertations produced from universities around the world.
For most of the 4 million items indexed in the database you can only see an abstract. But there are over 30,000 full text dissertations in there too.
Link to the database here https://salford.idm.oclc.org/login?url=http://search.proquest.com/dissertations?accountid=8058
Plenty of inspirtation in there for you!