After a year of searching for a chief executive to lead Common Securitization Solutions, the Federal Housing Finance Agency is still looking, but it continues to hire staff. “The search continues,” said a government official close to the matter. “We even have a search firm.”Although the FHFA is keeping a tight lid on information regarding CSS, it’s now common knowledge that the search firm in question is the Washington-based Spencer Stuart, which bills itself as “one of the world’s leading global executive search and leadership consulting firms.”