In the search box, enter the title of the film in first field. Put quotation marks around the title if it consists of more than one word. Enter the name of the director, the screenwriter, or an actor in the second field to make your search even more precise. Then, in the left-hand column, under the "Resource Type" limiter, select "Reviews":
Your results are limited now to reviews of the film:
If you want to keep the "Reviews" filter to apply to searches for additional films, click on "Remember all filters" in the left-hand column to make the "Reviews" filter persistent throughout your session:
Here are a few tips that will help you ensure your searching is as effective as possible.