Setting up game. Where to add second nationality?

[Azkal]

So when setting up a game, I choose custom in order to add all players of Filipino nationality and tick all of the boxes (i.e players based in nation, internation players, players from top clubs etc...)

There is however no option to add players with Filipino as their second nationality.

Therefore I cannot begin a career with EVERY filipino player on my database, therefore limiting my national pool as some of the good players are playing in Sweden (Amin Nazari). What this means is I would have to go through FM editor and find what leagues the players not in my database are in and add them, which is not what I want to do. I don't want the leagues, I just want the players.

Am I missing something, or is there genuinenly not a way to add all players of a nationality/Second nationality to the database without adding all leagues?