Search Collins+Summit+Articles
When searching Primo, you can use Library of Congress Subject Headings listed in the record of each book to identify additional works on the topic. Here are some examples of subject headings relevant to your course.
China -- History -- Taiping Rebellion, 1850-1864
China -- History -- Boxer Rebellion, 1899-1901
China -- History -- Revolution, 1911-1912
China -- History -- Civil War, 1945-1949
China -- History -- Cultural Revolution, 1966-1976
China -- History -- Tiananmen Square Incident, 1989
Women -- China -- Social conditions
These subject databases are your best bets for finding the scholarly articles and books (or essays in books) on your research topic.
In most cases, it's better to search subject databases to identify articles. However, if your research topic has a strong multidisciplinary flavor, then these two collections may help you identify scholarly articles that you'd otherwise miss.