I looked up the rest of the rankings, but I hadn't heard of any of them.
I checked what the other ones were, but they were all unfamiliar to me.
ーI looked up the rest of the rankings, but I hadn't heard of any of them.
「ランキングの残りを調べたけど、どれも聞いたことがなかった」
to look up で「調べる」
the rest of ... で「残りの・他の…」
ーI checked what the other ones were, but they were all unfamiliar to me.
「他のがどんなものか調べたけど、私にはよく知らないものばかりだった」
to check で「調べる」
unfamiliar で「よく知らない・馴染みのない」
ご参考まで！
カナダ 
