Be sure to limit to books and ebooks.
If you're still stuck, you can also limit to chapters.
Topic: Politics of Music in 20th century China.
If you're not getting good results, try the same search in the article databases-- it may be a narrow topic better suited to articles.
If you cannot find any books on your topic, use WorldCat to find books we don't own.
The W&M Libraries will order it via Interlibrary Loan at no charge, and you'll borrow it from us without issue.
Don't limit yourself to books just in our collection!