Here is a list of searchable spoken Chinese corpora:
1. Spoken Beijing Mandarin BJKY project at Beijing Language and Culture University: http://www.blcu.edu.cn/yys/6_beijing/6_beijing_chaxun.asp
2. TV and Radio transcripts in Broadcast Media Language Corpus at Communication University of China: http://ling.cuc.edu.cn/RawPub/
3. Child or family interaction discourse at CHILDES http://childes.psy.cmu.edu/data/EastAsian/Chinese/
4. Wenzhou Spoken Corpus at http://corpora.tapor.ualberta.ca/wenzhou/
1. Spoken Beijing Mandarin BJKY project at Beijing Language and Culture University: http://www.blcu.edu.cn/yys/6_beijing/6_beijing_chaxun.asp
2. TV and Radio transcripts in Broadcast Media Language Corpus at Communication University of China: http://ling.cuc.edu.cn/RawPub/
3. Child or family interaction discourse at CHILDES http://childes.psy.cmu.edu/data/EastAsian/Chinese/
4. Wenzhou Spoken Corpus at http://corpora.tapor.ualberta.ca/wenzhou/