Perhaps you should try some spelling variations:
rural working » rural workers, rural banking, rural housing
can china's » china china's
working tan » working man, working hand, working plan
huang ying » huang jing, huang ting, huang yang
wang yang » wang yan, wang liang, wang yanling
tan dong » tan hong, tan kong, tan yong
sin » sign, sind, skin

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 yang) OR (fang sheng))) OR (huang ying)) can china's rural working tan dong sin ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang yang) or (fang sheng))) or (huang ying)) can china's rural working tan dong sin ;*.