Articles and books can provide overviews and help you understand the context around your policy issue. Try searching in one of these databases:
You can also search by Subject Terms in Discover -- this brings up works that are tagged with specific subject labels. Use the drop-down and select Subject Keywords to search for these tags.
Subject Terms you could try:
China -- Population policy
Reproductive health services -- China
Water -- Pollution -- China
Women’s rights -- China
Xinjiang Uygur Zizhiqu (China) -- Ethnic relations
Uighur (Turkic people) -- Violence against -- China -- Xinjiang Uygur Zizhiqu