Colby does have both books and ebooks in a number of languages. Try these methods to find books you are interested in:
Search cbbcat.net for a keyword or title in the desired language. This will often work also for non-Roman characters:
Go to Advanced Keyword Search, linked just under the CBBcat search boxes. In the first set of boxes enter an Author or a Keyword; next select Lang Matl (or ebooks) under Material Type; finally select the desired Language. This method will also return some books that have been translated into English, if the record notes the original language.
Use these tips to find videos in other languages as well. With Method II, select DVD under Material Type; with Method I, change Entire CBB Collection to Video/DVD/Streaming: