Perhaps you should try some spelling variations:
douglas john » douglas jones, douglas j, douglas o
douglas bin » douglas b, douglas mair
wang yang » wang yan, wang liang, wang yanling
yang ling » yang liang, yang jing, yang lin
li last » i last, als last, die last
thing » things, think, thin
zeng » eng, feng, peng

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ling li last thing zeng ((douglas bin) or (douglas john)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ling li last thing zeng ((douglas bin) OR (douglas john)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang ling li last thing zeng ((douglas bin) or (douglas john)) ;*.