Perhaps you should try some spelling variations:
douglas jones » douglas john, douglas roger
douglas new » douglas w, douglas e
yang jun » yang jui, pang jun, yang jin
yang jie » yang jin, yang di, yang jui
his last » als last, his host, his land
thing » things, think, thin
zeng » eng, feng, peng

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 jun) OR (yang jie)) his last thing zeng ((douglas new) OR (douglas jones)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang jun) or (yang jie)) his last thing zeng ((douglas new) OR (douglas jones)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yang jun) or (yang jie)) his last thing zeng ((douglas new) OR (douglas jones)) ;*.