Tick "Include low search volume regions". Then Bitcoin is at 28, vs. Ethereums 43.

The map is also quite misleading, since Google is blocked in most of China, so the searches only represent the parts that are outside the Great Firewall. All other Chinese Google users will be mixed into other countries' statistics via VPN endpoints.

Secondly they would be searching for 比特币 on baidu.

You can find it on index.baidu.com but it requires you to have a baidu account.