Generally speaking, the undergraduate thesis of most colleges and universities does not need to be online. It doesn't even need to be published in a journal. As long as you can pass the school's defense.
Moreover, most undergraduate thesis will not be included in HowNet. Therefore, querying the graduation thesis of undergraduates is different from querying the graduation thesis of master students and doctoral students. Even if you go to HowNet, there is a high probability that you won't find it.
Moreover, many universities do not require undergraduates' graduation thesis to be published in journals, so you can't find it even in journals. Unless some undergraduates publish their papers in journals for research or academic purposes, you can find them on related websites, such as HowNet.
There is no need to check the graduation thesis of undergraduates, because most of them are of little academic value and reference value. If you want to learn how to write a thesis, you need to learn too many documents, so there is really no need to check the graduation thesis of undergraduates.
It can be said that the writing difficulty of undergraduate graduation thesis is really the lowest and the number of words is not too high. It can be said that after studying for four years, I can't write it. It's really a person's poor ability.
If you want to check some good graduation theses for reference, you must always look at the small theses of master students and doctoral students, or check the papers published by tutors and seniors.
Or go to the school library to check some periodicals related to the professional direction, choose better periodicals to read more, and probably understand how the undergraduate thesis is written.
Some undergraduates are excellent and can publish SCI papers during their undergraduate years. If you want to check the SCI papers, you can read the journals you want to check in official website.
Of course, there are very few undergraduates who can publish SCI papers, but if there are research or academic needs, owning SCI papers is definitely a very good hard currency, which can kill those ordinary papers.