Created attachment 165669 [details]
Example file with search issue.
Searching keyword in Thai language by pressing ctrl+f does not work in some case.
This was tested on Safe mode.
1. Open testsearch3.ods
2. Go to sheet Sheet1
3. Type in "เมือง" without quote
4. Press Enter on keyboard
5. Search key not found message displayed. (which it exist in cell B36)
6. Pressing "Find next" arrow or "Find previous" arrow does not work either.
7. However, "Find all" button do find "ดอนเมือง".
See attached example file.
Libreoffice 22.214.171.124-1.3 from official openSUSE Tumbleweed repository
Operating System: openSUSE Tumbleweed 20200916
KDE Plasma Version: 5.19.5
KDE Frameworks Version: 5.73.0
Qt Version: 5.15.1
Kernel Version: 5.8.7-1-default
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-3770 CPU @ 3.40GHz
Memory: 7.5 GiB of RAM
Graphics Processor: Mesa DRI Intel® HD Graphics 4000
CONFIRMED in Ubuntu 20.04 with
Version: 126.96.36.199 / LibreOffice Community
Build ID: 8a45595d069ef5570103caea1b71cc9d82b2aae4
CPU threads: 4; OS: Linux 5.4; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US