Perhaps you should try some spelling variations:
douglas sin » douglas john, douglas mair
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
li last » i last, als last, die last
a last » _ last, a las
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 wang yang ((li last) OR (a last)) thing zeng douglas sin ;~.
• Adding a wildcard symbol may retrieve word variants: wang wang yang ((li last) or (a last)) thing zeng douglas sin ;*.