Perhaps you should try some spelling variations:
deng ziliang » zeng ziqiang, peng liang
cohen zheng » chen zheng, chen zhen, comment zheng
wang liang » wang yang
zheng li » zheng lei, zheng liu, heng li
song shu » cong shu, song shin, tong shui
zhang i » zhang ii, zhang li, zhang si
i cohen » m cohen, _ cohen, j cohen
li song » li cong, li rong, kim song

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang liang) OR (deng ziliang)) zhang i cohen zheng li song shu ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang liang) or (deng ziliang)) zhang i cohen zheng li song shu ;*.