You can use academic search engines to find related papers. Here are some commonly used academic search engines:

-Baidu Academic Search: an academic resource search platform that provides massive Chinese and English literature retrieval, covering all kinds of academic journals, degrees and conference papers, aiming at providing the best scientific research experience for domestic and foreign scholars.

-Scholar: it is mainly used for academic literature retrieval, and the format is mainly pdf, which also shows the citation of papers. If you know the name and author of the document, it is easier to find the pdf document directly.

-official website, National Documentation Center for Philosophy and Social Sciences: The National Documentation Center for Philosophy and Social Sciences led by China Academy of Social Sciences was officially launched, which is an academic website for free literature retrieval.