Watch the public chat, click the trophy cup on the bottom right of the screen (on pc) and that will bring up a list of players and alliances. If you click on the alliance name you will see info and a list of the players. Find an alliance that speaks a language you know and apply to it. You could also write to the leader (their name is underlined in the list.
You can also activate 'Looking for an alliance', and also check alliances that are looking for players.