Perhaps you should try some spelling variations:
china rural » china's rural, chile rural, china real
rural zhang » rural change, rural ghana, rural changes
liang tan » liang dan, liang sun
john song » john wong, john bonn, john ngosong
wing tan » wing ian, hong tan, tin tan
jin song » jie song, kim song, jin ying

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((liang tan) OR (wing tan)) china rural zhang ((jin song) or (john song)) min ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang tan) OR (wing tan)) china rural zhang ((jin song) OR (john song)) min ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((liang tan) OR (wing tan)) china rural zhang ((jin song) or (john song)) min ;".
• Adding a wildcard symbol may retrieve word variants: wang ((liang tan) OR (wing tan)) china rural zhang ((jin song) or (john song)) min ;*.