By default Windows Search on Win7 does not index much. Unless the file happens to be in your Documents or somewhere in your User Folder the search is not going to find it. You will need edit the 'Indexing Options', click on Modify and add the drive you want it to index. If you have a terabyte it will take some time for it to index everything. But, once its done re-indexing, it will show you the file when you search for '.doc Ozymandias'.