Exception in Chinese character fuzzy query of MySQL database

There is something embarrassing about database query , The stored data is as follows ：

The data is imported by colleagues with the background import function , In the imported excel There are corresponding keywords in

According to the unary quadratic keyword fuzzy query, only part of it appears , The data are as follows ：

According to the colleague's Excel The results of the keyword replication query in the table are as follows ：

Stupid , The same is a quadratic equation of one variable , But the data is different