Perhaps you should try some spelling variations:
china's rule » china's role, china's roles, china's rise
rule mining » scale mining
mining jin » mining china, mining using
dong jung » hong jong, dong ping, dong yang
wang yang » wang yan, wang liang, wang yanling
song sein » song shin, song jin, song min
jin song » jie song, john song, kim song

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong sin) or (((dong jung) or (wang yang)))) did china's rule mining jin song sein ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sin) OR (((dong jung) OR (wang yang)))) did china's rule mining jin song sein ;.
• Adding a wildcard symbol may retrieve word variants: ((dong sin) or (((dong jung) or (wang yang)))) did china's rule mining jin song sein ;*.