You could structure a Bitquery for your Twetch OP_RETURNs and scrape them manually:
https://docs.bitdb.network/docs/intro_v3#query-examples
Or use the Twetch API. But neither are user-friendly.
Putting Twexporter on my ever-expanding todo list.
https://twetch.app/t/ff27d525f34fcff58d52cf278bd22229b87812968cb3f102efbb28641b65e19d