The idea behind the More Like This pattern is very simple: within each group of items representing a particular category from a catalog or accompanying each item in search results, provide a prominent link or button with a label that is some variation of More Like This ». Unfortunately, most sites do not make sufficient use of this pattern and some that do use it design and implement it incorrectly.
Search UX Design Articles
Extensive collection of our search UX design articles: key design concepts, user experience strategies, tips and tricks for search and ecommerce user experiences.