This problem exists in both V2.23 and V2.24.
I've posted the bug 3065912, and related bugs are 3097879 and 3103936.
It's not like 3065912, the bug is as follows:
I can only find the first words in Chinese, but not the interim ones. Check the attachment. If I place the insertion point(current position) after several words same as which I want to search, the first word will be found only, but not the one which close to the insertion point.