Perhaps you should try some spelling variations:
ngosong shin » song shin
john ngosong » john song
china rural » china's rural, chile rural, china real
tuan china » wuhan china, can china, taiwan china
rural work » rural world, rural workers
work john » works john, werk john, world john
hong » long
kong » long, pong, ong

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: ((hong tan) OR (((wang yanling) OR (hong kong)))) tuan china rural work john ngosong shin ;~.
• Adding a wildcard symbol may retrieve word variants: ((hong tan) or (((wang yanling) or (hong kong)))) tuan china rural work john ngosong shin ;*.