Ngram books.google.com/ngrams/… displays that "to understand more" was more preferred than "for more information" up to 1987. Sorry, I don't understand how to set one-way links in remarks. The idiomatic expression is "To discover more" minus the "information" so It is unsurprising that "understand more information" arrived up short. The https://getmoreinformation92356.dgbloggers.com/33323976/everything-about-get-more-information