Perhaps you should try some spelling variations:
douglas mair » douglas mary, douglas a, douglas m
last thins » last things
wang yang » wang yan, wang liang, wang yanling
yang ying » yang yang, yang jing, huang ying
ying his » ying jin, ying hua
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 ying his ((last thins) OR (last thing)) zeng douglas mair ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ying his ((last thins) or (last thing)) zeng douglas mair ;*.