The English at the end of the unordered list does not support search

Features
1

Windows 2.14.20
The English at the end of the unordered list does not support search. For example, if the content of a note is - 英文搜索Test in English, it cannot be searched through test.
Please forgive my poor English, this is translated through google, please forgive me.

2

Welcome @BlueDolphin,
I have the same behavior with a simple text.

You could try inserting a space to separate your text and the English text.

3

Although adding a space can solve it, I still hope to solve it fundamentally, that is, the program code, so that it can be solved once and for all.