How does the library search engine relevance ranking work?
The sophisticated relevance ranking algorithm is a trade secret of the software developers, so we are unable to explain exactly how it works. However, it gives priority to “exact title” matches on your search keywords.
For example: a search for “gramatica catalana” will return items with the exact title “gramatica catalana” at the top. A search for la gramatica catalana will return almost identical results, but with priority given to titles containing “la”.