Because WeChat search mainly depends on qq, mobile phone number and micro-signal.

Wechat is an intelligent terminal instant messaging software launched by Tencent on 2011,which was created by the product team of Tencent Guangzhou R&D Center led by Zhang Xiaolong.

Wechat provides users with chat, friends circle, WeChat payment, public platform, WeChat applet and other functions. It also provides services such as living payment and live broadcast. Its users cover more than 200 countries and more than 20 languages.