It looks like the database give maximum 12 lists. For example, if there is 13 possible moves in a "database position" the database will give maximum 12 lists and hide 13th list. It will be great if the database give every list.
Another example: At initial position, chess.com analysis board database gives 20 lists while Lichess analysis board database gives 12 lists and hide 8 lists.
Another example: At initial position, chess.com analysis board database gives 20 lists while Lichess analysis board database gives 12 lists and hide 8 lists.