Perhaps you should try some spelling variations:
last things » first things, smart things
yang zhang » yan zhang, zhang zhang, yang yang
wang yang » wang yan, wang liang, wang yanling
zhang wei » zhen wei
douglas d » douglas w, douglas a, douglas m
things » thinks, thins
thing » 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 zhang wei ((last things) OR (last thing)) zeng ((douglas d) OR (douglas f)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang zhang wei ((last things) or (last thing)) zeng ((douglas d) OR (douglas f)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang zhang wei ((last things) or (last thing)) zeng ((douglas d) OR (douglas f)) ;*.