In this search box you can write the whole title or just the most common part of it. For example, you can write “Thor” and the search engine will suggest all the three films from the series that exist in the movie database. Another way to search is to write at least one word from the title, for example “heart”, and the search engine will suggest to you all the film from database which contains that exact word. If one of the suggested titles is the film you are looking for, you can simply click on it to select it.