Of course. You can completely expand the content on the basis of small papers and become your own big papers. A big paper itself is a collection of small papers, which belong to your own paper works. The difference is:

1. Small papers generally refer to papers published in journals. These papers are not as demanding as graduation thesis, but they are relatively simple, mainly academic research or event commentary, and are considered as entry-level papers.

2. A big thesis is a relatively small thesis, that is, a dissertation, which is a research report or scientific paper written by the author of the dissertation to obtain a professional degree from China Renmin University.