Disclosed are examples that relate to searching for content associated with applications. In various examples, a system can include a computing device and a search interface component executable by the computing device. The search interface component can cause the computing device to obtain and validate a search query from a search component. The search interface component can search a search index of restricted application content that corresponds with the search query. The restricted application content is associated with a sandbox for a restricted application. The search interface component can also cause the computing device to provide search results to the search component.