Perhaps you should try some spelling variations:
china recent » china ancient, asia recent, china ren
recent work » decent work
cain china » can china, china china, spain china
work john » works john, werk john, world john
wong shiu » wong siu, song shin, wong sau
sin cain » sin fin, tin can

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

• Performing a fuzzy search may retrieve terms with similar spellings: (dong or done) sin cain china recent work john ((wong shiu) or (cong shu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (dong OR done) sin cain china recent work john ((wong shiu) OR (cong shu)) ;.
• Adding a wildcard symbol may retrieve word variants: (dong or done) sin cain china recent work john ((wong shiu) or (cong shu)) ;*.