Perhaps you should try some spelling variations:
works john » weeks john
china real » china's real, china dream, china rural
fin china » qin china, can china, dan china
work john » werk john, world john, fork join
kong siu » kong eiu, wong siu, kong sar
sin fin » sine fine, pin fins, sin cain
dong » doing, long, done

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: dong sin fin china real ((work john) OR (works john)) ((kong siu) OR (cong shu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong sin fin china real ((work john) OR (works john)) ((kong siu) or (cong shu)) ;~".
• Adding a wildcard symbol may retrieve word variants: dong sin fin china real ((work john) OR (works john)) ((kong siu) or (cong shu)) ;*.